forked from 1b-agent/fieldcraft-upstream
The extrusion's automatic cross-section blocks reach both commands; the half crank arm, cut only on its symmetry plane, meshes all-structured (sJ >= 0.37) with no seeds either way, and mesh.hex.generate's description says so. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo