{
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          "y": 60,
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    },
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          "y": -30,
          "z": 0
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      }
    },
    "3": {
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        "segments": 64
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    },
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    },
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    },
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    },
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    },
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    },
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      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
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      "root": 1,
      "material": "default"
    },
    {
      "root": 2,
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    },
    {
      "root": 3,
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    {
      "root": 8,
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}