I have the 350mm extension made by Simon Jackson (he has closed shop) for the Mars 1 (upgraded to accept Mars Pro screens).
I just retired that old printer.
AFAIK the frame of my 350mm extension is the same as for the Mars 2 Pro. Just the drilled holes won't match up.
I'm investigating the parts to do the same on my own for the Saturn 3 Ultra 12K.
The linear guide rails are the same I already have in the Mars 1.
A longer ballscrew of the same type should be no problem at all.
The software is just an M8026 command (https://drucktipps3d.de/chitu-gcode-mcode-uebersicht/)
That leaves "just" sourcing or making the extruded Z casing
I just retired that old printer.
AFAIK the frame of my 350mm extension is the same as for the Mars 2 Pro. Just the drilled holes won't match up.
I'm investigating the parts to do the same on my own for the Saturn 3 Ultra 12K.
The linear guide rails are the same I already have in the Mars 1.
A longer ballscrew of the same type should be no problem at all.
The software is just an M8026 command (https://drucktipps3d.de/chitu-gcode-mcode-uebersicht/)
That leaves "just" sourcing or making the extruded Z casing