{
  "source": "analytic",
  "method": "as 77 with the radius running from 4 (x=0) down to 0 (x=40), where the round closes to the corner: V = abc - (1 - pi/4) L a^2 / 3; the round is three-sided and the corner at x=40 stays",
  "body_count": 1,
  "volume_mm3": 23954.21827485812,
  "area_mm2": 5162.286695397177,
  "center_of_mass": [
    20.019112176659895,
    15.027387550737057,
    9.98216853759289
  ],
  "bbox": {
    "min": [
      0.0,
      0.0,
      0.0
    ],
    "max": [
      40.0,
      30.0,
      20.0
    ]
  },
  "faces": 7
}