{
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      }
    },
    "2": {
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    },
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        "type": "Translate",
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        "right": 4
      }
    },
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        "type": "Union",
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      }
    },
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      "id": 12,
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        "type": "Union",
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        "right": 6
      }
    },
    "13": {
      "id": 13,
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        "right": 7
      }
    },
    "14": {
      "id": 14,
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        "right": 8
      }
    },
    "15": {
      "id": 15,
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        "type": "Union",
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        "right": 9
      }
    },
    "16": {
      "id": 16,
      "name": "flanged_cap_with_holes",
      "op": {
        "type": "Difference",
        "left": 1,
        "right": 15
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": 16,
      "material": "default"
    }
  ]
}