G29 S0
to get the current status and mesh. If there’s an existing mesh, you can send M420 S1 to use it.G29 S1
to move to the first point for Z adjustment.G29 S2
to save the Z value and move to the next point.MESH_BED_LEVELING
option in Configuration.h
.G29
[I<index>]
[J<index>]
S<0|1|2|3|4|5>
[X<count>]
[Y<count>]
[Z<linear>]
[I<index>]
With S3, the (0…n-1) X index of the mesh value to modify.[J<index>]
With S3, the (0…n-1) Y index of the mesh value to modify.[S<0|1|2|3|4|5>]