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

    "10": { "id": 10, "name": "HoleCylinder", "op": { "type": "Cylinder", "radius": 2.5, "height": 8, "segments": 32 } },
    "11": { "id": 11, "name": "Hole_+X", "op": { "type": "Translate", "child": 10, "offset": { "x": 15, "y": 0, "z": 0 } } },
    "12": { "id": 12, "name": "Hole_60deg", "op": { "type": "Translate", "child": 10, "offset": { "x": 7.5, "y": 12.9903810568, "z": 0 } } },
    "13": { "id": 13, "name": "Hole_120deg", "op": { "type": "Translate", "child": 10, "offset": { "x": -7.5, "y": 12.9903810568, "z": 0 } } },
    "14": { "id": 14, "name": "Hole_180deg", "op": { "type": "Translate", "child": 10, "offset": { "x": -15, "y": 0, "z": 0 } } },
    "15": { "id": 15, "name": "Hole_240deg", "op": { "type": "Translate", "child": 10, "offset": { "x": -7.5, "y": -12.9903810568, "z": 0 } } },
    "16": { "id": 16, "name": "Hole_300deg", "op": { "type": "Translate", "child": 10, "offset": { "x": 7.5, "y": -12.9903810568, "z": 0 } } },

    "30": { "id": 30, "name": "Holes_U1", "op": { "type": "Union", "left": 10, "right": 11 } },
    "31": { "id": 31, "name": "Holes_U2", "op": { "type": "Union", "left": 30, "right": 12 } },
    "32": { "id": 32, "name": "Holes_U3", "op": { "type": "Union", "left": 31, "right": 13 } },
    "33": { "id": 33, "name": "Holes_U4", "op": { "type": "Union", "left": 32, "right": 14 } },
    "34": { "id": 34, "name": "Holes_U5", "op": { "type": "Union", "left": 33, "right": 15 } },
    "35": { "id": 35, "name": "Holes_U6", "op": { "type": "Union", "left": 34, "right": 16 } },

    "40": { "id": 40, "name": "PlateWithHoles", "op": { "type": "Difference", "left": 2, "right": 35 } }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    { "root": 40, "material": "default" }
  ]
}