AJ Isaacs 3481764416 perf: use perimeter-only drawing in best fit pair evaluation ...

PairEvaluator was cloning the full CNC program (including all internal
cutouts) for every candidate. For parts with many holes (e.g. 952),
this caused O(n²) overlap checks and thousands of unnecessary polygon
tessellations per candidate.

Now extracts the perimeter shape once, builds a lightweight drawing
from it, and uses that for all Part.CreateAtOrigin calls. Cutouts are
irrelevant for best fit — only the outer boundary matters for pairing.

75x speedup on a 952-hole rectangle (30s → 0.4s).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-09 12:14:02 -04:00

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