{
  "source": "analytic",
  "method": "50 (x) by 20 (z) rectangle on XZ extruded +-15 along Y: box 50x30x20 centred at origin",
  "body_count": 1,
  "volume_mm3": 30000.0,
  "area_mm2": 6200.0,
  "center_of_mass": [
    0.0,
    0.0,
    0.0
  ],
  "bbox": {
    "min": [
      -25.0,
      -15.0,
      -10.0
    ],
    "max": [
      25.0,
      15.0,
      10.0
    ]
  },
  "faces": 6
}