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LaserWeb (4.0.x)

This repository is a "development environment" - and no regular user would have to touch this at all (dont download the repo from here, use the Download links below)


Releases are made available on


For more documentation, go to the Wiki or our website


You can run the app in Docker

  • build image:
docker build -t laserweb4 .
  • run image:
docker run -it --rm -p 8000:8000 laserweb4


Please use the community forum on for questions and support. Please only report confirmed bugs on the git Issues tab.

Supported firmwares

Note: Ever changing. See the Issues tab above for details.

Firmware Supported Raster Performance CNC Support Pull Requests Accepted
Grbl > v1.1f (ATmega328) Yes Good Great Yes - improvements
Grbl-Mega (ATmega2560) Yes Good Great Yes - improvements
Grbl-LPC (LPC176x) Yes Great Great Yes - improvements
Grbl_ESP32 (ESP32) Yes Great Great Yes - improvements
Smoothieware Yes * Okayish Okayish Yes - improvements
TinyG Yes Unknown Good Yes - improvements
Marlin Yes Unknown No Yes - improvements
MarlinKimbra Yes Unknown No Yes - improvements
Repetier Yes Unknown No Yes - improvements
RepRapFirmware Yes Unknown Yes Yes - improvements
  • If fast raster engraving is important for you, we recommend replacing Smoothieware with grbl-LPC ( which also runs on the LPC1769 based boards and performs much faster for laser raster applications.


If you want to contribute, below are long standing community-requested enhancements, that a) we don't have time to code or b) need extra skills

  • GCODE Optimiser - to cut down on G0 moves (something like
  • Implement "Raster > TSP-Vector" operation
  • More Controllers! Help us implement more firmwares (improve TinyG add Marlin/Repetier, etc)
  • WebGL Transformation Filters to use Webcam to setup stock
  • Automate Electron Builds for all platforms

How to contribute ?

Details on

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