{ "source": "analytic", "method": "base x 0..75, y 5..40, z 0..2.5 (trimmed 5 by each flange's setback); bend 1 (R 2.5..5 about y 5, z 5) x 0..75; flange 1 y 0..2.5, z 5..30, x 0..80; bend 2 (R 2.5..5 about x 75, z 5) y 5..40; flange 2 x 77.5..80, z 5..15, y 5..40; minus two d6 through holes at (25,20), (55,20) in the base. A = sum of prism areas - 2 x 4 joint areas (75t, 75t, 35t, 35t) + hole walls - hole discs", "body_count": 1, "volume_mm3": 13916.012042595696, "area_mm2": 12035.962275939059, "center_of_mass": [ 42.447144354989774, 13.304901335083745, 7.787102510037218 ], "bbox": { "min": [ 0.0, 0.0, 0.0 ], "max": [ 80.0, 40.0, 30.0 ] }, "note": "SolidCraft convention: the second flange trims the base under the first bend, so bend 1 stops at x 75 while flange 1's panel runs to x 80 (open corner relief, no fill)." }