Deterministic St. Venant rectangular-bar torsion angle per link θ_link = T_m·L / (G·β·a·b³) ensuring τ_max < τ_rupture across N_rows = Θ_total / θ_link engine (.svg, .dxf) built for Glowforge, xTool, OMTech, LightBurn — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…