{
  "version": "0.1",
  "nodes": {
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      "id": 1,
      "name": "base_plate",
      "op": {
        "type": "Cube",
        "size": {"x": 80, "y": 80, "z": 6}
      }
    },
    "2": {
      "id": 2,
      "name": "base_plate_centered",
      "op": {
        "type": "Translate",
        "child": 1,
        "offset": {"x": -40, "y": -40, "z": 0}
      }
    },
    "3": {
      "id": 3,
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        "type": "Cylinder",
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        "height": 6,
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      }
    },
    "4": {
      "id": 4,
      "name": "central_hole_centered",
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      }
    },
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        "type": "Difference",
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        "right": 4
      }
    },
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      }
    },
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        "offset": {"x": 30, "y": -30, "z": 0}
      }
    },
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    },
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      }
    },
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        "segments": 32
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    },
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        "type": "Translate",
        "child": 12,
        "offset": {"x": 30, "y": 30, "z": 0}
      }
    },
    "14": {
      "id": 14,
      "name": "plate_minus_corner_1",
      "op": {
        "type": "Difference",
        "left": 5,
        "right": 7
      }
    },
    "15": {
      "id": 15,
      "name": "plate_minus_corner_2",
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        "type": "Difference",
        "left": 14,
        "right": 9
      }
    },
    "16": {
      "id": 16,
      "name": "plate_minus_corner_3",
      "op": {
        "type": "Difference",
        "left": 15,
        "right": 11
      }
    },
    "17": {
      "id": 17,
      "name": "square_flange",
      "op": {
        "type": "Difference",
        "left": 16,
        "right": 13
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": 17,
      "material": "default"
    }
  ]
}