{
  "version": "0.1",
  "nodes": {
    "1": { "id": 1, "name": "bottom", "op": {"type":"Cube", "size":{"x":30,"y":40,"z":4}} },
    "2": { "id": 2, "name": "left_wall_raw", "op": {"type":"Cube", "size":{"x":4,"y":40,"z":26}} },
    "3": { "id": 3, "name": "left_wall", "op": {"type":"Translate", "child":2, "offset":{"x":0,"y":0,"z":4}} },
    "4": { "id": 4, "name": "right_wall_raw", "op": {"type":"Cube", "size":{"x":4,"y":40,"z":26}} },
    "5": { "id": 5, "name": "right_wall", "op": {"type":"Translate", "child":4, "offset":{"x":26,"y":0,"z":4}} },
    "6": { "id": 6, "name": "bottom_left", "op": {"type":"Union", "left":1, "right":3} },
    "7": { "id": 7, "name": "bracket", "op": {"type":"Union", "left":6, "right":5} }
  },
  "materials": {},
  "part_materials": {},
  "roots": [{ "root": 7, "material": "default" }]
}