{ "source": "analytic", "method": "box 40x30x20, top front edge rounded 4 wide across (chord c): r = c / (2 cos 45 deg) = 2 sqrt 2; V = abc - (1 - pi/4) r^2 L, A = 2(ab + bc + ca) - 2 r L + (pi/2) r L - 2 (1 - pi/4) r^2", "body_count": 1, "volume_mm3": 23931.327412287184, "area_mm2": 5148.007518160999, "center_of_mass": [ 20.0, 15.041230594339089, 9.973117249081739 ], "bbox": { "min": [ 0.0, 0.0, 0.0 ], "max": [ 40.0, 30.0, 20.0 ] }, "faces": 7 }