{
  "version": "0.1",
  "nodes": {
    "1": {"id": 1, "name": "plate_raw", "op": {"type": "Cube", "size": {"x": 60, "y": 60, "z": 8}}},
    "2": {"id": 2, "name": "plate", "op": {"type": "Translate", "child": 1, "offset": {"x": -30, "y": -30, "z": 0}}},

    "10": {"id": 10, "name": "hole_proto", "op": {"type": "Cylinder", "radius": 2.5, "height": 8, "segments": 32}},
    "11": {"id": 11, "name": "hole_center", "op": {"type": "Translate", "child": 10, "offset": {"x": 0, "y": 0, "z": 0}}},
    "12": {"id": 12, "name": "hole_0", "op": {"type": "Translate", "child": 10, "offset": {"x": 15.0, "y": 0.0, "z": 0}}},
    "13": {"id": 13, "name": "hole_60", "op": {"type": "Translate", "child": 10, "offset": {"x": 7.5, "y": 12.99038105676658, "z": 0}}},
    "14": {"id": 14, "name": "hole_120", "op": {"type": "Translate", "child": 10, "offset": {"x": -7.5, "y": 12.99038105676658, "z": 0}}},
    "15": {"id": 15, "name": "hole_180", "op": {"type": "Translate", "child": 10, "offset": {"x": -15.0, "y": 0.0, "z": 0}}},
    "16": {"id": 16, "name": "hole_240", "op": {"type": "Translate", "child": 10, "offset": {"x": -7.5, "y": -12.99038105676658, "z": 0}}},
    "17": {"id": 17, "name": "hole_300", "op": {"type": "Translate", "child": 10, "offset": {"x": 7.5, "y": -12.99038105676658, "z": 0}}},

    "20": {"id": 20, "name": "u1", "op": {"type": "Union", "left": 11, "right": 12}},
    "21": {"id": 21, "name": "u2", "op": {"type": "Union", "left": 20, "right": 13}},
    "22": {"id": 22, "name": "u3", "op": {"type": "Union", "left": 21, "right": 14}},
    "23": {"id": 23, "name": "u4", "op": {"type": "Union", "left": 22, "right": 15}},
    "24": {"id": 24, "name": "u5", "op": {"type": "Union", "left": 23, "right": 16}},
    "25": {"id": 25, "name": "all_holes", "op": {"type": "Union", "left": 24, "right": 17}},

    "30": {"id": 30, "name": "result", "op": {"type": "Difference", "left": 2, "right": 25}}
  },
  "materials": {},
  "part_materials": {},
  "roots": [{"root": 30, "material": "default"}]
}