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Kernel rig: 1985 and 2243 STEP-export enclosures graded on their volume and box (the outline less the cavity, plus gusset and standoffs)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
jyviko
2026-10-31 08:57:33 -04:00
committed by jyviko
parent d54d3195ff
commit c0c961326a
2 changed files with 32 additions and 6 deletions
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tests/kernel-cases/crashes/1985-step-export-enclosure-screw-hole/expected.json
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@@ -4,7 +4,20 @@
"tangency-labs/solidcraft#2243"
],
"what": "a small enclosure (rounded box, inner cut, corner gusset with a screw hole, two standoffs, USB cut-out) whose STEP export never finished (the export meshes its own file back)",
"source": "invariants",
"method": "the script builds one connected part: the export must finish, and the part is one valid closed solid",
"body_count": 1
"source": "analytic",
"method": "the script builds one connected part: the export must finish, and the part is one valid closed solid. Body sketch: the rounded rectangle 0..80 x 0..79, corners r 3 (straights 74 and 73), area 80*79 - (4 - pi)*9 = 6312.274, extruded 37.5: 236710.288. Cavity box (2,2,2.5) 74 x 73, open at the top: - 74*73*35 = 189070. Gusset (68,67,2.5) 8 x 8 x 35 in the cavity's back corner: + 2240. Screw hole r 1.25 at (72,71) from z 29.5, inside the gusset: - pi 1.25^2 8 = 39.270. Two standoffs r 2.5, 3 high at (30.11, 69.04) and (58.05, 69.04) on the floor, clear of the walls and the gusset: + 2 * 58.905. USB cut-out (21.33..31.33, -1..3, 5..11) through the 2 mm front wall: - 10*2*6 = 120. V = 49838.83. Box: the outline's 0..80 x 0..79, z 0..37.5",
"body_count": 1,
"volume_mm3": 49838.83,
"bbox": {
"min": [
0.0,
0.0,
0.0
],
"max": [
80.0,
79.0,
37.5
]
}
}
tests/kernel-cases/crashes/2243-step-export-flanged-enclosure/expected.json
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@@ -4,7 +4,20 @@
"tangency-labs/solidcraft#1985"
],
"what": "a flanged enclosure with two standoffs and no screw hole whose STEP export also never finished",
"source": "invariants",
"method": "one connected part: the export finishes and the part is one valid closed solid",
"body_count": 1
"source": "analytic",
"method": "one connected part: the export finishes and the part is one valid closed solid. Body sketch: the rounded rectangle 0..80 x 0..79, corners r 3, area 80*79 - (4 - pi)*9 = 6312.274, extruded 32.5. Flange: the rounded rectangle -10..90 x 0..79, corners r 3, area 7892.274, 2.5 thick, holding the body's footprint (its own corners lie outside the body's), so the two give 7892.274*2.5 + 6312.274*30. Cavity box (3,3,2.5) 74 x 73, open at the top: - 74*73*30 = 162060. Gusset (69,68,2.5) 8 x 8 x 30: + 1920. Two standoffs r 2.5, 3 high at (31.11, 70.04) and (59.05, 70.04): + 2 * 58.905. V = 49076.73. Box: the flange's -10..90 x 0..79, z 0..32.5",
"body_count": 1,
"volume_mm3": 49076.73,
"bbox": {
"min": [
-10.0,
0.0,
0.0
],
"max": [
90.0,
79.0,
32.5
]
}
}