{
  "version": "0.1",
  "nodes": {
    "1": { "id": 1, "name": "HorizontalBarBase", "op": { "type": "Cube", "size": { "x": 60, "y": 20, "z": 5 } } },
    "2": { "id": 2, "name": "HorizontalBar", "op": { "type": "Translate", "child": 1, "offset": { "x": -30, "y": 0, "z": 0 } } },
    "3": { "id": 3, "name": "VerticalStemBase", "op": { "type": "Cube", "size": { "x": 20, "y": 30, "z": 5 } } },
    "4": { "id": 4, "name": "VerticalStem", "op": { "type": "Translate", "child": 3, "offset": { "x": -10, "y": 20, "z": 0 } } },
    "5": { "id": 5, "name": "TBody", "op": { "type": "Union", "left": 2, "right": 4 } },
    "6": { "id": 6, "name": "HoleProto", "op": { "type": "Cylinder", "radius": 2.5, "height": 5, "segments": 32 } },
    "7": { "id": 7, "name": "Hole_TopStem", "op": { "type": "Translate", "child": 6, "offset": { "x": 0, "y": 45, "z": 0 } } },
    "8": { "id": 8, "name": "Hole_LeftBar", "op": { "type": "Translate", "child": 6, "offset": { "x": -25, "y": 10, "z": 0 } } },
    "9": { "id": 9, "name": "Hole_RightBar", "op": { "type": "Translate", "child": 6, "offset": { "x": 25, "y": 10, "z": 0 } } },
    "10": { "id": 10, "name": "Holes_Union_A", "op": { "type": "Union", "left": 7, "right": 8 } },
    "11": { "id": 11, "name": "Holes_Union", "op": { "type": "Union", "left": 10, "right": 9 } },
    "12": { "id": 12, "name": "Bracket_With_Holes", "op": { "type": "Difference", "left": 5, "right": 11 } }
  },
  "materials": {},
  "part_materials": {},
  "roots": [{ "root": 12, "material": "default" }]
}