G0 X152.5 Y40 H1 F10000 G30 P0 X152.5 Y40 Z-99999 ; probe near back leadscrew G0 X275 Y260 H1 F10000 G30 P1 X275 Y260 Z-99999 ; probe near front left leadscrew G0 X25 Y315 H1 F10000 G30 P2 X25 Y315 Z-99999 S3 ; probe near front right leadscrew and calibrate 3 motors G1 X0 Y0 F10000