{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": 1,
      "name": "block_raw",
      "op": {
        "type": "Cube",
        "size": {
          "x": 60,
          "y": 60,
          "z": 10
        }
      }
    },
    "2": {
      "id": 2,
      "name": "hole_raw",
      "op": {
        "type": "Cylinder",
        "radius": 2.5,
        "height": 12,
        "segments": 64
      }
    },
    "3": {
      "id": 3,
      "name": "center_block",
      "op": {
        "type": "Translate",
        "child": 1,
        "offset": {
          "x": -30,
          "y": -30,
          "z": 0
        }
      }
    },
    "4": {
      "id": 4,
      "name": "offset_hole",
      "op": {
        "type": "Translate",
        "child": 2,
        "offset": {
          "x": 20,
          "y": 0,
          "z": -1
        }
      }
    },
    "5": {
      "id": 5,
      "name": "hole_pattern",
      "op": {
        "type": "CircularPattern",
        "child": 4,
        "axis_origin": {
          "x": 0,
          "y": 0,
          "z": 0
        },
        "axis_dir": {
          "x": 0,
          "y": 0,
          "z": 1
        },
        "count": 8,
        "angle_deg": 360
      }
    },
    "6": {
      "id": 6,
      "name": "drilled_block",
      "op": {
        "type": "Difference",
        "left": 3,
        "right": 5
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": 6,
      "material": "default"
    }
  ]
}