{
 "sources": [],
 "what": "the bounding box of two boxes (0..10 cube, 20..25 x 0..5 x 0..5) with a 2 mm margin",
 "source": "analytic",
 "method": "the boxes span (0,0,0)-(25,10,10); with 2 mm: (-2,-2,-2)-(27,12,12) = 29x14x14 = 5684; with both boxes kept: V = 1000 + 125 + 5684",
 "body_count": 3,
 "volume_mm3": 6809,
 "bbox": {
  "min": [
   -2,
   -2,
   -2
  ],
  "max": [
   27,
   12,
   12
  ]
 }
}