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matthewtrahan 19b80e639a Initial commit: fin spec, prototype, project skeleton
Prototype validates the geometry engine against third-party STLs: overhang
detection, region segmentation, bed-reachability, a fin wall swept along a
curved contact line, and orientation scoring with a load-direction model.

docs/FIN-SPEC.md records the verified fin geometry — standoff, tine
dimensions, tine count, base, chamfer — with the reasoning for each.

Known gap: the prototype has no tines yet, which is the fused connection that
makes a fin a combined support. Without it a fin only holds the part in one
direction. That is build item #1.
2026-07-24 19:25:22 -05:00

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