; Auto calibration routine for delta printers ; Before running this, you should have set up your zprobe Z offset to suit your build, in the G31 command in config.g. M561 ; clear any bed transform, otherwise homing may be at the wrong height G31 X0 Y0 ; don't want any probe offset for this G28 ; home the printer ;*** Remove the following line if your Z probe does not need to be deployed M98 Pdeployprobe.g ; deploy the mechanical Z probe ; The first time the probe is used after deployment, it gives slightly different results. ; So do an extra dummy probe here. The value stored gets overwritten later. G30 P0 X0 Y0 Z-99999 ; Probe the bed and do auto calibration G30 P0 X-73.6 Y-42.5 Z-99999 ; X tower G30 P1 X0 Y-85 Z-99999 ; between X and Y towers G30 P2 X73.6 Y-42.5 Z-99999 ; Y tower G30 P3 X73.6 Y20 Z-99999 ; between Y and Z towers G30 P4 X0 Y67 Z-99999 ; Z tower G30 P5 X-73.6 Y20 Z-99999 ; between Z and X towers G30 P6 X-36.8 Y-21.25 Z-99999 ; half way to X tower G30 P7 X36.8 Y-21.25 Z-99999 ; half way to Y tower G30 P8 X0 Y42.5 Z-99999 ; half way to Z tower G30 P9 X0 Y0 Z-99999 S7 ; centre, and auto-calibrate 7 factors ;*** Remove the following line if your Z probe does not need to be retracted M98 Pretractprobe.g ; deploy the mechanical Z probe G91 G1 S1 X170 Y170 Z170 F15000 ; go part way up to speed up homing, endstops activated just in case G90 G28 ; Home the printer again so as to activate the new endstop adjustments