{
  "source": "analytic",
  "method": "box 40 x 30 x 20 from the origin: V = abc, A = 2(ab + bc + ca)",
  "body_count": 1,
  "volume_mm3": 24000.0,
  "area_mm2": 5200.0,
  "center_of_mass": [
    20.0,
    15.0,
    10.0
  ],
  "bbox": {
    "min": [
      0.0,
      0.0,
      0.0
    ],
    "max": [
      40.0,
      30.0,
      20.0
    ]
  },
  "faces": 6
}