4009 closed shell, 4010 shell open at a hole wall, 2531 point pick after an edit, 3468/3898 offset next to a fillet, 12 split face piece, 566 swept bar, 745/3893 freeform boss (two variants), 3103 tapered cylinder, 3669/2990 loft, 3283/3650 and 2939 curved offsets, 3506 and 1972 split then shell, 3576, 391, 1494, 1525. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
17 lines
575 B
JSON
17 lines
575 B
JSON
{
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"sources": [
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"tangency-labs/solidcraft#4009"
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],
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"what": "shell with no face removed: a closed hollow body with a sealed internal void",
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"source": "analytic",
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"method": "outer box 40x30x12.5, void = inward offset box 35x25x7.5 (2.5 wall every side). V=15000-6562.5=8437.5; area=outer 2(1200+500+375)=4150 + void 2(875+187.5+262.5)... computed in python; faces 6+6=12; one body with an outer and an inner shell; centroid (20,15,6.25) by symmetry",
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"body_count": 1,
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"volume_mm3": 8437.5,
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"area_mm2": 6800.0,
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"faces": 12,
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"center_of_mass": [
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20,
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15,
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6.25
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]
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} |