Leathercraft Pricking-Iron Pitch-Locked Pattern & Gusset Corner Hole Aligner (.DXF / .PDF)

Deterministic Arc-length parameterized cubic Bezier perimeter quantization (L_curve = N * pitch) with corner curvature radius perturbation engine (.dxf, .pdf, .svg) built for Crimson Hides, KS Blade Punch, Sinabroks, Hermès Saddle — zero-upload ephemeral Wasm RAM execution.