{ "X3D": {
    "encoding":"UTF-8",
    "@profile":"Immersive",
    "@version":"3.3",
    "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-3.3.xsd",
    "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json",
    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"Tracks.x3d"
          },
          {
            "@name":"description",
            "@content":"T72M model tank tracks"
          },
          {
            "@name":"creator",
            "@content":"Joseph L. Chacon"
          },
          {
            "@name":"created",
            "@content":"20 July 2003"
          },
          {
            "@name":"modified",
            "@content":"20 October 2019"
          },
          {
            "@name":"version",
            "@content":"1.5"
          },
          {
            "@name":"reference",
            "@content":"https://www.fas.org/man/dod-101/sys/land/row/t72tank.htm"
          },
          {
            "@name":"reference",
            "@content":"https://www.fas.org/man/dod-101/sys/land/row/t72-1.gif"
          },
          {
            "@name":"reference",
            "@content":"Zaloga, Steven J., T72 Main Battle Tank 1974 to 1993, Osprey Publishing, Oxford, United Kingdom, 1993."
          },
          {
            "@name":"subject",
            "@content":"T-72, Tank, Soviet, OPFOR"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Savage/GroundVehicles/T72M/Tracks.x3d"
          },
          {
            "@name":"generator",
            "@content":"https://www.web3d.org/x3d/content/README.X3D-Edit.html"
          },
          {
            "@name":"license",
            "@content":"../../license.html"
          },
          {
            "@name":"translated",
            "@content":"21 April 2026"
          },
          {
            "@name":"generator",
            "@content":"X3dToJson.xslt, https://www.web3d.org/x3d/stylesheets/X3dToJson.html"
          },
          {
            "@name":"reference",
            "@content":"X3D JSON encoding: https://www.web3d.org/wiki/index.php/X3D_JSON_Encoding"
          }
        ]
    },
    "Scene": {
        "-children":[
          { "WorldInfo":
            {
              "@title":"Tracks.x3d"
            }
          },
          { "Background":
            {
              "@groundAngle":[1.309,1.570796],
              "@groundColor":[0.1,0.1,0,0.4,0.25,0.2,0.6,0.6,0.6],
              "@skyAngle":[1.309,1.571],
              "@skyColor":[0,0.2,0.7,0,0.5,1,1,1,1]
            }
          },
          { "Transform":
            {
              "@DEF":"Track_Set",
              "-children":[
                { "Transform":
                  {
                    "@DEF":"Right_Track",
                    "-children":[
                      { "Transform":
                        {
                          "@DEF":"R_inner_road_wheels",
                          "@translation":[0.1,0,0],
                          "-children":[
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[1.75,0.45,-1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@DEF":"road_wheel",
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "@DEF":"Hub",
                                                  "-geometry":
                                                    { "Cylinder":
                                                      {
                                                        "@height":0.4,
                                                        "@radius":0.15
                                                      }
                                                    },
                                                  "-appearance":
                                                    { "Appearance":
                                                      {
                                                        "-material":
                                                          { "Material":
                                                            {
                                                              "@diffuseColor":[0.2,0.2,0]
                                                            }
                                                          }
                                                      }
                                                    }
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@DEF":"Wheel",
                                                  "-geometry":
                                                    { "Cylinder":
                                                      {
                                                        "@height":0.1,
                                                        "@radius":0.9,
                                                        "@side":false
                                                      }
                                                    },
                                                  "-appearance":
                                                    { "Appearance":
                                                      {
                                                        "-material":
                                                          { "Material":
                                                            {
                                                              "@diffuseColor":[0.8,0.7,0.6]
                                                            }
                                                          }
                                                      }
                                                    }
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@DEF":"Rim",
                                                  "-appearance":
                                                    { "Appearance":
                                                      {
                                                        "-material":
                                                          { "Material":
                                                            {
                                                              "@diffuseColor":[0.2,0.2,0]
                                                            }
                                                          }
                                                      }
                                                    },
                                                  "-geometry":
                                                    { "Extrusion":
                                                      {
                                                        "@ccw":false,
                                                        "@creaseAngle":0.785,
                                                        "@crossSection":[1.00,0.00,0.92,0.38,0.71,0.71,0.38,0.92,0.00,1.00,-0.38,0.92,-0.71,0.71,-0.92,0.38,-1.00,0.00,-0.92,-0.38,-0.71,-0.71,-0.38,-0.92,0.00,-1.00,0.38,-0.92,0.71,-0.71,0.92,-0.38,1.00,0.00,0.80,0.00,0.74,-0.31,0.57,-0.57,0.31,-0.74,0.00,-0.80,-0.31,-0.74,-0.57,-0.57,-0.74,-0.31,-0.80,0.00,-0.74,0.31,-0.57,0.57,-0.31,0.74,0.00,0.80,0.31,0.74,0.57,0.57,0.74,0.31,0.80,0.00],
                                                        "@spine":[0.0,-0.2,0.0,0.0,0.2,0.0]
                                                      }
                                                    }
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@DEF":"Spoke1",
                                                  "-appearance":
                                                    { "Appearance":
                                                      {
                                                        "-material":
                                                          { "Material":
                                                            {
                                                              "@diffuseColor":[0.2,0.2,0]
                                                            }
                                                          }
                                                      }
                                                    },
                                                  "-geometry":
                                                    { "Box":
                                                      {
                                                        "@size":[0.2,0.2,2]
                                                      }
                                                    }
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@DEF":"Spoke2",
                                                  "@rotation":[0,1,0,1.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.2,2]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@DEF":"Spoke3",
                                                  "@rotation":[0,-1,0,1.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.2,2]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,1,0,0.785],
                                                  "@translation":[0.3,-0.6,0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.8,0.7,0.6]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.5,0.6,1]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[0.85,0.45,-1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[0,0.45,-1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-0.8,0.45,-1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-1.6,0.45,-1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-2.45,0.45,-1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.2,0.2,0.2],
                                "@translation":[-3,0.9,-1.25],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "@USE":"Hub"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Wheel"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Rim"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Spoke1"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@USE":"Spoke2"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@USE":"Spoke3"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0,-0.6,0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.8,0.7,0.6]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Cylinder":
                                                            {
                                                              "@height":1.3,
                                                              "@radius":0.5
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      { "Transform":
                        {
                          "@DEF":"R_outter_road_wheels",
                          "@translation":[0.1,0,0],
                          "-children":[
                            { "Transform":
                              {
                                "@DEF":"RoadWheel",
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[1.75,0.45,-1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "@USE":"Hub"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Wheel"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Rim"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "-appearance":
                                                    { "Appearance":
                                                      {
                                                        "-material":
                                                          { "Material":
                                                            {
                                                              "@diffuseColor":[0.2,0.2,0]
                                                            }
                                                          }
                                                      }
                                                    },
                                                  "-geometry":
                                                    { "Box":
                                                      {
                                                        "@size":[0.2,0.2,2]
                                                      }
                                                    }
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,1,0,1.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.2,2]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,-1,0,1.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.2,2]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[0.85,0.45,-1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[0,0.45,-1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-0.8,0.45,-1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-1.6,0.45,-1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-2.45,0.45,-1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.2,0.2,0.2],
                                "@translation":[-3,0.9,-1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "@USE":"Hub"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Wheel"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Rim"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Spoke1"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@USE":"Spoke2"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@USE":"Spoke3"
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      { "Transform":
                        {
                          "@DEF":"R_Sproket",
                          "-children":[
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[1,0.2,0.2],
                                "@translation":[2.45,0.8,-1.3],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "@USE":"Hub"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Wheel"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Rim"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,1,0,1.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,-1,0,1.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,-1,0,1.57],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,1,0,0.56],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,-1,0,0.56],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0,-0.3,0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.8,0.7,0.6]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Cylinder":
                                                            {
                                                              "@height":0.95,
                                                              "@radius":0.66
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      { "Transform":
                        {
                          "@DEF":"Tracks",
                          "@rotation":[0,1,0,1.57],
                          "@scale":[0.39,0.39,0.39],
                          "-children":[
                            { "Transform":
                              {
                                "@translation":[3.3,0.2,5.1],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@DEF":"Horizontal",
                                      "-children":[
                                        { "Group":
                                          {
                                            "@DEF":"SingleTrack",
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "-geometry":
                                                    { "Box":
                                                      {
                                                        "@size":[1,0.05,0.3]
                                                      }
                                                    },
                                                  "-appearance":
                                                    { "Appearance":
                                                      {
                                                        "-material":
                                                          { "Material":
                                                            {
                                                              "@diffuseColor":[0.4,0.4,0.4]
                                                            }
                                                          }
                                                      }
                                                    }
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[-0.25,-0.05,0.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.35,0.05,0.2]
                                                            }
                                                          },
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0.2]
                                                                  }
                                                                }
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0.25,-0.05,0.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.35,0.05,0.2]
                                                            }
                                                          },
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0.2]
                                                                  }
                                                                }
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0.0,0.075,0.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.1,0.1,0.4]
                                                            }
                                                          },
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.6,0.6,0.6]
                                                                  }
                                                                }
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,0,1,1.57],
                                                  "@translation":[0.0,0.075,0.2],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-geometry":
                                                          { "Cylinder":
                                                            {
                                                              "@height":0.12,
                                                              "@radius":0.06
                                                            }
                                                          },
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.4,0.4,0.4]
                                                                  }
                                                                }
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        },
                                        { "Transform":
                                          {
                                            "@translation":[0.0,0.0,-0.4],
                                            "-children":[
                                              { "Group":
                                                {
                                                  "@USE":"SingleTrack"
                                                }
                                              }
                                            ]
                                          }
                                        },
                                        { "Transform":
                                          {
                                            "@translation":[0.0,0.0,-0.8],
                                            "-children":[
                                              { "Group":
                                                {
                                                  "@USE":"SingleTrack"
                                                }
                                              }
                                            ]
                                          }
                                        },
                                        { "Transform":
                                          {
                                            "@translation":[0.0,0.0,-1.2],
                                            "-children":[
                                              { "Group":
                                                {
                                                  "@USE":"SingleTrack"
                                                }
                                              }
                                            ]
                                          }
                                        },
                                        { "Transform":
                                          {
                                            "@translation":[0.0,0.0,-1.6],
                                            "-children":[
                                              { "Group":
                                                {
                                                  "@USE":"SingleTrack"
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,0.2,3.1],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@USE":"Horizontal"
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,0.2,1.9],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@USE":"Horizontal"
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,0.2,0.3],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@USE":"Horizontal"
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,0.2,-1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@USE":"Horizontal"
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,0.2,-3],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@USE":"Horizontal"
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,0.2,-4.6],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@USE":"Horizontal"
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,-0.7,-9.45],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@DEF":"Front",
                                      "@rotation":[1,0,0,0.95],
                                      "@translation":[0,1.3,2.5],
                                      "-children":[
                                        { "Transform":
                                          {
                                            "@USE":"Horizontal"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,0.15,-3.9],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@DEF":"Pivot1",
                                      "@center":[0,1,0],
                                      "@rotation":[1,0,0,0.55],
                                      "@translation":[0.0,0.0,-2.2],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"SingleTrack"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,-0.05,4.0],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@DEF":"Pivot2High",
                                      "@center":[0,1,0],
                                      "@translation":[0,1,2.1],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@DEF":"rear_CircleTrack",
                                            "-children":[
                                              { "Transform":
                                                {
                                                  "@rotation":[1,0,0,-1.05],
                                                  "@translation":[0.0,0.6,0.69],
                                                  "-children":[
                                                    { "Group":
                                                      {
                                                        "@USE":"SingleTrack"
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[1,0,0,-1.57],
                                                  "@translation":[0.0,1.0,0.8],
                                                  "-children":[
                                                    { "Group":
                                                      {
                                                        "@USE":"SingleTrack"
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[1,0,0,-2.09],
                                                  "@translation":[0.0,1.4,0.69],
                                                  "-children":[
                                                    { "Group":
                                                      {
                                                        "@USE":"SingleTrack"
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[1,0,0,-2.62],
                                                  "@translation":[0.0,1.69,0.4],
                                                  "-children":[
                                                    { "Group":
                                                      {
                                                        "@USE":"SingleTrack"
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,1.2,6.5],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@DEF":"Rear",
                                      "@rotation":[1,0,0,-0.7],
                                      "@translation":[0,0.08,0],
                                      "-children":[
                                        { "Transform":
                                          {
                                            "-children":[
                                              { "Group":
                                                {
                                                  "@USE":"SingleTrack"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0.0,0.0,-0.4],
                                                  "-children":[
                                                    { "Group":
                                                      {
                                                        "@USE":"SingleTrack"
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0.0,0.0,-0.8],
                                                  "-children":[
                                                    { "Group":
                                                      {
                                                        "@USE":"SingleTrack"
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0.0,0.0,-1.2],
                                                  "-children":[
                                                    { "Group":
                                                      {
                                                        "@USE":"SingleTrack"
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0.0,0.0,-1.6],
                                                  "-children":[
                                                    { "Group":
                                                      {
                                                        "@USE":"SingleTrack"
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@translation":[3.3,0.65,-0.575],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@DEF":"Pivot1High",
                                      "@center":[0,1,0],
                                      "@translation":[0,1,-6.8],
                                      "-children":[
                                        { "Transform":
                                          {
                                            "@rotation":[0,1,0,3.14],
                                            "-children":[
                                              { "Group":
                                                {
                                                  "@DEF":"front_CircleTrack",
                                                  "-children":[
                                                    { "Transform":
                                                      {
                                                        "@rotation":[1,0,0,-1.30],
                                                        "@translation":[0.0,0.6,0.69],
                                                        "-children":[
                                                          { "Group":
                                                            {
                                                              "@USE":"SingleTrack"
                                                            }
                                                          }
                                                        ]
                                                      }
                                                    },
                                                    { "Transform":
                                                      {
                                                        "@rotation":[1,0,0,-2.15],
                                                        "@translation":[0.0,0.9,0.6],
                                                        "-children":[
                                                          { "Group":
                                                            {
                                                              "@USE":"SingleTrack"
                                                            }
                                                          }
                                                        ]
                                                      }
                                                    },
                                                    { "Transform":
                                                      {
                                                        "@rotation":[1,0,0,-2.62],
                                                        "@translation":[0.0,1.2,0.38],
                                                        "-children":[
                                                          { "Group":
                                                            {
                                                              "@USE":"SingleTrack"
                                                            }
                                                          }
                                                        ]
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      }
                    ]
                  }
                },
                { "Transform":
                  {
                    "@DEF":"Left_Track",
                    "-children":[
                      { "Transform":
                        {
                          "@DEF":"L_inner_road_wheels",
                          "@translation":[0.1,0,0],
                          "-children":[
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[1.7,0.45,1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@DEF":"L_road_wheel",
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "@USE":"Hub"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Wheel"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Rim"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Spoke1"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,1,0,0.785],
                                                  "@translation":[0.3,0.6,0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.8,0.7,0.6]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.5,0.6,1]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,1,0,1.0],
                                                  "-children":[
                                                    { "Transform":
                                                      {
                                                        "@USE":"Spoke2"
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,-1,0,1.0],
                                                  "-children":[
                                                    { "Transform":
                                                      {
                                                        "@USE":"Spoke3"
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[0.85,0.45,1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[0,0.45,1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-0.8,0.45,1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-1.6,0.45,1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-2.45,0.45,1.2],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.2,0.2,0.2],
                                "@translation":[-3,0.9,1.25],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "@USE":"Hub"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Wheel"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Rim"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Spoke1"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@USE":"Spoke2"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@USE":"Spoke3"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0,0.6,0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.8,0.7,0.6]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Cylinder":
                                                            {
                                                              "@height":1.3,
                                                              "@radius":0.5
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      { "Transform":
                        {
                          "@DEF":"L_outter_road_wheels",
                          "@translation":[0.1,0,0],
                          "-children":[
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[1.7,0.45,1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[0.85,0.45,1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[0,0.45,1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-0.8,0.45,1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-1.6,0.45,1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.38,0.38,0.38],
                                "@translation":[-2.45,0.45,1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "@USE":"L_road_wheel"
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            },
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[0.2,0.2,0.2],
                                "@translation":[-3,0.9,1.4],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "@USE":"Hub"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Wheel"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Rim"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Spoke1"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@USE":"Spoke2"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@USE":"Spoke3"
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      { "Transform":
                        {
                          "@DEF":"L_Sproket",
                          "-children":[
                            { "Transform":
                              {
                                "@rotation":[0,1,0,-1.57],
                                "@scale":[1,0.2,0.2],
                                "@translation":[2.45,0.8,1.3],
                                "-children":[
                                  { "Transform":
                                    {
                                      "@rotation":[0,0,1,1.57],
                                      "-children":[
                                        { "Group":
                                          {
                                            "-children":[
                                              { "Shape":
                                                {
                                                  "@USE":"Hub"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Wheel"
                                                }
                                              },
                                              { "Shape":
                                                {
                                                  "@USE":"Rim"
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,1,0,1.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,-1,0,1.0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,-1,0,1.57],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,1,0,0.56],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@rotation":[0,-1,0,0.56],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.2,0.2,0]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Box":
                                                            {
                                                              "@size":[0.2,0.4,2.5]
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              },
                                              { "Transform":
                                                {
                                                  "@translation":[0,0.3,0],
                                                  "-children":[
                                                    { "Shape":
                                                      {
                                                        "-appearance":
                                                          { "Appearance":
                                                            {
                                                              "-material":
                                                                { "Material":
                                                                  {
                                                                    "@diffuseColor":[0.8,0.7,0.6]
                                                                  }
                                                                }
                                                            }
                                                          },
                                                        "-geometry":
                                                          { "Cylinder":
                                                            {
                                                              "@height":0.95,
                                                              "@radius":0.66
                                                            }
                                                          }
                                                      }
                                                    }
                                                  ]
                                                }
                                              }
                                            ]
                                          }
                                        }
                                      ]
                                    }
                                  }
                                ]
                              }
                            }
                          ]
                        }
                      },
                      { "Transform":
                        {
                          "@translation":[0,0,2.6],
                          "-children":[
                            { "Transform":
                              {
                                "@USE":"Tracks"
                              }
                            }
                          ]
                        }
                      }
                    ]
                  }
                }
              ]
            }
          },
          { "Viewpoint":
            {
              "@description":"Entry view",
              "@orientation":[1,0,0,-0.37],
              "@position":[0,5,10]
            }
          },
          { "Viewpoint":
            {
              "@description":"Front",
              "@orientation":[0,1,0,-1.57],
              "@position":[-10,2,0]
            }
          },
          { "Transform":
            {
              "@rotation":[0,0,1,-0.785],
              "-children":[
                { "Viewpoint":
                  {
                    "@description":"Front High",
                    "@orientation":[0,1,0,-1.57],
                    "@position":[-12,2,0]
                  }
                }
              ]
            }
          },
          { "Viewpoint":
            {
              "@description":"left side",
              "@orientation":[0,1,0,-3.14],
              "@position":[0,2,-10]
            }
          },
          { "Viewpoint":
            {
              "@description":"rear",
              "@orientation":[0,1,0,1.57],
              "@position":[10,2,0]
            }
          },
          { "Viewpoint":
            {
              "@description":"top",
              "@orientation":[1,0,0,-1.57],
              "@position":[0,10,0]
            }
          }
        ]
    }
  }
}