Deterministic Spherical involute Tredgold back-cone approximation, pitch-cone tan(δ1)=sin(Σ)/(Z2/Z1+cos Σ) & Gleason crown-to-back mounting distance engine (.step, .stl, .iges) built for Gleason, KHK Gears, Autodesk Inventor, Haas — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…