Bi-Fold & Patio Folding-Door Leaf Width, Carrier Offset & Stack-Depth Solver

Deterministic Closed-loop planar accordion linkage kinematics + asymmetric pivot-leaf deduction & folded-bundle width solver engine (.dxf, .svg, .pdf) built for Centor, Hawa Folding, Brio, Schuco — zero-upload ephemeral Wasm RAM execution.

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