Supported firmwares

FirmwareSupportedRaster PerformanceCNC SupportPull Requests Accepted
Grbl (>=1.1f) Yes Good Good Yes - improvements
Grbl Mega Ramps Yes Good Good Yes - improvements
grbl-LPC Yes Great Great Yes- improvements
Smoothieware Yes * Okayish Okayish Yes - improvements
TinyG Yes Unknown (please report) Good Yes - improvements
Marlin Yes * Unknown (please report) Unknown Yes - please
MarlinKimbra Yes * Unknown (please report) Unknown Yes - please
Repetier Yes * Unknown (please report) Unknown Yes - please
RepRapFirmware Yes * Unknown (please report) Unknown Yes - please
  • If you have a Smoothieware based controller, but performance on Raster is choking you with stuttering moves: This is a known issue.
    We recommend switching to grbl-LPC which runs on LPC based boards like Smoothieboard, Cohesion3d, MKS SBase, Azteeg for now, as this performs much faster for laser applications.
  • Marlin an Repetier are partly supported and need some specal settings in LW4 because they need laser power commands on separate lines.

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