Lost-Wax Casting Shrinkage Rescaler & Chvorinov Hot-Spot Feeder Sizer

Deterministic Euclidean distance-transform thermal modulus M = V/A, Chvorinov solidification rule t = B·(V/A)² & M_feeder ≥ 1.2·M_casting engine (.stl, .3mf) built for Formlabs Castable, Rio Grande, Indutherm, Anycubic — zero-upload ephemeral Wasm RAM execution.

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