[
  {
    "type": "source_component",
    "source_component_id": "a",
    "ftype": "printedpart",
    "name": "FIRST"
  },
  {
    "type": "cad_component",
    "cad_component_id": "cad_a",
    "source_component_id": "a",
    "position": {
      "x": 0,
      "y": 0,
      "z": 0
    },
    "model_jscad": {
      "type": "cuboid",
      "size": [4, 6, 2]
    },
    "model_object_fit": "contain_within_bounds",
    "anchor_alignment": "center"
  },
  {
    "type": "source_component",
    "source_component_id": "b",
    "ftype": "printedpart",
    "name": "SECOND"
  },
  {
    "type": "cad_component",
    "cad_component_id": "cad_b",
    "source_component_id": "b",
    "position": {
      "x": 4,
      "y": 0,
      "z": 0
    },
    "model_jscad": {
      "type": "cuboid",
      "size": [4, 6, 2]
    },
    "model_object_fit": "contain_within_bounds",
    "anchor_alignment": "center"
  }
]