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    "@profile":"Interchange",
    "@version":"3.0",
    "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-3.0.xsd",
    "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json",
    "head": {
        "meta": [
          {
            "@name":"title",
            "@content":"VerticalFin.x3d"
          },
          {
            "@name":"description",
            "@content":"This file defines a vertical fin that is inlined to create the tail boom of a helicopter"
          },
          {
            "@name":"creator",
            "@content":"Jane Wu (adapted from the original verticalfin.wrl created for vrtp demo helicopter)"
          },
          {
            "@name":"created",
            "@content":"8 January 2001"
          },
          {
            "@name":"modified",
            "@content":"20 October 2019"
          },
          {
            "@name":"identifier",
            "@content":"https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/OH58dKiowaWarriorUnitedStates/VerticalFin.x3d"
          },
          {
            "@name":"generator",
            "@content":"X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit"
          },
          {
            "@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":"VerticalFin.x3d"
            }
          },
          { "Group":
            {
              "@DEF":"VERTICAL_FIN",
              "-children":[
                { "Transform":
                  {
                    "@rotation":[0.0,0.0,1.0,1.57],
                    "-children":[
                      { "Shape":
                        {
                          "-appearance":
                            { "Appearance":
                              {
                                "-material":
                                  { "Material":
                                    {
                                      "@diffuseColor":[0.0,0.2,0.05]
                                    }
                                  }
                              }
                            },
                          "-children":[
                            {
                              "#comment":"right, left, bottom, upper front, lower front, top, lower back, upper back"
                            }
                          ],
                          "-geometry":
                            { "IndexedFaceSet":
                              {
                                "@convex":false,
                                "@coordIndex":[0,1,2,3,4,5,-1,6,11,10,9,8,7,-1,0,6,7,1,-1,1,7,8,2,-1,2,8,9,3,-1,3,9,10,4,-1,0,5,11,6,-1,5,4,10,11,-1],
                                "-children":[
                                  {
                                    "#comment":"right side view points, left side view points"
                                  }
                                ],
                                "-coord":
                                  { "Coordinate":
                                    {
                                      "@point":[0.0,0.0,0.0,0.2,0.0,0.0,0.35,0.325,0.0,0.2,0.7,0.0,0.0,0.7,0.0,0.1,0.3,0.0,0.0,0.0,-0.04,0.2,0.0,-0.02,0.35,0.325,-0.02,0.2,0.7,-0.02,0.0,0.7,-0.04,0.1,0.3,-0.04]
                                    }
                                  }
                              }
                            }
                        }
                      },
                      { "Transform":
                        {
                          "@rotation":[0.0,0.0,1.0,0.2],
                          "@translation":[0.01,0.73,-0.02],
                          "-children":[
                            { "Shape":
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                                "@DEF":"ANTENNA",
                                "-appearance":
                                  { "Appearance":
                                    {
                                      "-material":
                                        { "Material":
                                          {
                                            "@diffuseColor":[0,0,0]
                                          }
                                        }
                                    }
                                  },
                                "-geometry":
                                  { "Cylinder":
                                    {
                                      "@height":0.07,
                                      "@radius":0.01
                                    }
                                  }
                              }
                            }
                          ]
                        }
                      },
                      { "Transform":
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                          "@rotation":[0.0,0.0,1.0,0.2],
                          "@translation":[0.17,0.73,-0.01],
                          "-children":[
                            { "Shape":
                              {
                                "@USE":"ANTENNA"
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                          ]
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                      },
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                          "-children":[
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                                "@USE":"ANTENNA"
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                          ]
                        }
                      },
                      { "Transform":
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                          "-children":[
                            { "Transform":
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                                "@rotation":[0.0,0.0,1.0,4.712],
                                "@translation":[0.085,0.76,-0.02],
                                "-children":[
                                  { "Shape":
                                    {
                                      "-appearance":
                                        { "Appearance":
                                          {
                                            "-material":
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                                        },
                                      "-geometry":
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                            }
                          ]
                        }
                      },
                      { "Transform":
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                          "@rotation":[0.0,0.0,1.0,5.0],
                          "@translation":[0.06,-0.027,-0.01],
                          "-children":[
                            { "Shape":
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                                "-appearance":
                                  { "Appearance":
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                                      "-material":
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                                            "@diffuseColor":[0,0,0]
                                          }
                                        }
                                    }
                                  },
                                "-geometry":
                                  { "Cylinder":
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                                      "@height":0.3,
                                      "@radius":0.01
                                    }
                                  }
                              }
                            }
                          ]
                        }
                      }
                    ]
                  }
                }
              ]
            }
          }
        ]
    }
  }
}