{
  "source": "analytic",
  "method": "square frustum: base 40 at z=0, top a1 = 40 + 2*30*tan10 at z=30 (positive taper grows outward); V = h/3 (A0 + A1 + sqrt(A0 A1)), z_c = h (A0 + 2 sqrt(A0A1) + 3 A1) / (4 (A0 + sqrt(A0A1) + A1)), sides = 4 trapezoids (a0+a1)/2 * h/cos(10)",
  "body_count": 1,
  "volume_mm3": 61814.82595953696,
  "area_mm2": 9676.91517028238,
  "center_of_mass": [
    0.0,
    0.0,
    16.162703882981894
  ],
  "bbox": {
    "min": [
      -25.28980942125395,
      -25.28980942125395,
      0.0
    ],
    "max": [
      25.28980942125395,
      25.28980942125395,
      30.0
    ]
  },
  "faces": 6
}