CNC Spindle Tramming Witness-Ridge Step-to-Shim Thickness & Tilt-Angle Calculator

Deterministic Small-angle spindle pitch/roll arcsin(Δz / D_cutter) projected onto Z-plate mounting bolt span t_shim = L_bolt · (Δz / D_cutter) engine (.pdf) built for Shapeoko, Onefinity, Avid CNC, SST Tramming — zero-upload ephemeral Wasm RAM execution.

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