Single file — save this page and open it in Chrome or Edge. Compute a saddle, paste a Bend-Tech wrapper table, or import a DXF. Everything is converted to millimetres, then MASSO rotary G-code is emitted (G21, A in degrees, Y in mm). Zero the seam at A0 Y0. The cut starts at the deepest point, closed loop, pierce dwell, retract Z.