{
  "version": "0.1",
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    },
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    },
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    },
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    },
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    },
    "19": {
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    },
    "20": {
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          "z": 0
        }
      }
    },
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        "right": 15
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    },
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        "type": "Difference",
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        "right": 16
      }
    },
    "23": {
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        "right": 17
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    },
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        "type": "Difference",
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        "right": 18
      }
    },
    "25": {
      "id": 25,
      "name": "d5",
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        "type": "Difference",
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        "right": 19
      }
    },
    "26": {
      "id": 26,
      "name": "plate",
      "op": {
        "type": "Difference",
        "left": 25,
        "right": 20
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": 26,
      "material": "default"
    }
  ]
}