{
  "source": "analytic",
  "method": "solved L: (0,0)-(60,0)-(60,8)-(8,8)-(8,40)-(0,40); area 60x8 + 8x32, extruded 20: V = A2 h, A = 2 A2 + perimeter*h, centroid of the two rectangles",
  "body_count": 1,
  "volume_mm3": 14720.0,
  "area_mm2": 5472.0,
  "center_of_mass": [
    20.956521739130434,
    10.956521739130435,
    10.0
  ],
  "bbox": {
    "min": [
      0.0,
      0.0,
      0.0
    ],
    "max": [
      60.0,
      40.0,
      20.0
    ]
  },
  "faces": 8
}