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// Controllers · Marlin laser

CAM for Marlin laser

Machines on Marlin with the laser feature and inline power.

Open MillPath The controller check

What the Marlin laser post writes

  • M3 S<0–255> I: fires on the next moves without stopping to change power; M5 I to stop
  • No M30 (on Marlin M30 deletes a file from the SD card)

Files end in .gcode. Every file is read back before export and checked against the simulated toolpath.

Not yet confirmed on a machine. This post follows the controller maker's documentation. Before the first real job, run the controller check in the air — or compare with a file that already runs on your machine (Export options → Check this post).