{
  "source": "analytic",
  "method": "two boxes 35x20x20 (x 0..35 and 45..80): V = 2abc, A = 2*2(ab+bc+ca)",
  "body_count": 2,
  "volume_mm3": 28000,
  "area_mm2": 7200,
  "center_of_mass": [
    40.0,
    10.0,
    10.0
  ],
  "bbox": {
    "min": [
      0.0,
      0.0,
      0.0
    ],
    "max": [
      80.0,
      20.0,
      20.0
    ]
  },
  "faces": 12
}