Unexplained G0 code before Layers

[ednisley]

@mgoetzke

BUT Snapmaker documentation says G90 will change to ‘logical’ coordinate space.

Ah!

Not only does (did?) SnapMaker use Marlin, they redefine the G-Code commands even beyond Marlin’s redefinitions.

This may be relevant:

Snapmaker Artisan not working with Snapmaker profile

Hi all. I’ve reached out to Snapmaker for comment. The Artisan used to work with the default Marlin profiles. But they seem to be switching everything over to GRBL. Unfortunately the did not inform us of this. @berainlb is right - use the provided lbdev profiles and it should work (I checked and they are GRBL based… so I don’t know what that means for older Artisan devices). But he is also right that rotary will not work. There is special logic written specifically for Snapmaker devices and cu…

I must bow out, as I cannot contribute anything useful.