{
  "source": "analytic",
  "method": "box [-25,25]^2x[-20,0] minus sphere r=15 at the origin (lower hemisphere removed): V = abc - 2/3 pi r^3, hemisphere centroid z = -3r/8; A = 2(ab+bc+ca) - pi r^2 + 2 pi r^2",
  "body_count": 1,
  "volume_mm3": 42931.41652942297,
  "area_mm2": 9706.858347057703,
  "center_of_mass": [
    0.0,
    0.0,
    -10.720336182305564
  ],
  "bbox": {
    "min": [
      -25.0,
      -25.0,
      -20.0
    ],
    "max": [
      25.0,
      25.0,
      0.0
    ]
  },
  "faces": 7
}