{
  "source": "analytic",
  "method": "solved trapezoid bottom (-30,0)-(30,0), top (-15,25)-(15,25) minus two d6 holes at (+-18, 8) (symmetric about the axis, 36 apart, 8 above l1); trapezoid centroid y = H(a+2b)/(3(a+b)); V = A2 t, A = 2 A2 + perimeter t",
  "body_count": 1,
  "volume_mm3": 5342.256661176918,
  "area_mm2": 3066.94581842842,
  "center_of_mass": [
    0.0,
    11.275769231975591,
    2.5
  ],
  "bbox": {
    "min": [
      -30.0,
      0.0,
      0.0
    ],
    "max": [
      30.0,
      25.0,
      5.0
    ]
  },
  "faces": 8
}