bherbruckandClaude Opus 5.5
771a48e4ff
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>
12 lines
663 B
JSON
12 lines
663 B
JSON
{
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"sources": [
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"tangency-labs/solidcraft#3669",
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"tangency-labs/solidcraft#2990"
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],
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"what": "a loft between a 40 mm and a 20 mm square 80 mm apart, shelled 2 mm open at the small end",
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"source": "analytic",
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"method": "a ruled loft of two squares is a square pyramid frustum (4 planar walls). Outer V=80/3*(1600+800+400). Walls offset 2 normal to the faces: tan(a)=10/80, half-width w(z)=20-z/8-2/cos(a), floor at z=2, cavity a frustum of height 78 with areas (2w(2))^2 and (2w(80))^2: V=outer-78/3*(A1+sqrt(A1*A2)+A2); faces 4 outer walls + base + top ring + 4 inner walls + floor = 11",
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"body_count": 1,
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"volume_mm3": 20601.135771593457,
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"faces": 11
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} |