@lael said in Mesh levelling on 3.1.1:
G0 X130 Y130 Z10 ; go to bed center, 10mm above
G30 ; probe for datum ref point
G29 S1 ; Load Grid Compensation
As long as that matches what you do before you create the mesh it should be fine.
@lael said in Mesh levelling on 3.1.1:
G30 S-1 ; test - send to probe contact with bed
G92 Z0 ; set Z0 to probe contact on bed (hoping that then G30 will account for actual bed height...)
Not sure why you'd have that in start.g, but the G30 afterwards is what matters.