Arched Window & Doorway True Curve Solver (Segmental vs 3-Center vs Ellipse) to .DXF

Deterministic Projective plane rectification + AIC model selection (1-center arc vs 3-center Tudor/basket biarc vs constrained NURBS) engine (.jpg, .heic, .dxf, .svg) built for Rehau, Schüco, SCM CNC, AutoCAD — zero-upload ephemeral Wasm RAM execution.

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