this is user tab to simplify surface mapping and compensation.
- install compensation component by scottalford75: https://github.com/scottalford75/LinuxCNC-3D-Printing/tree/master/compensation
- copy directory 01_surface_map into ~/linuxcnc/configs/yourconfig/user_tabs
- copy contents of subroutines folder into ~/linuxcnc/configs/yourconfig/subroutines