All you need to know about photo laser engraving: testing your board and your firmware

All you need to know to be able to do greyscale while laser engraving (photo engraving)

1. You must check if your board supports dynamic PWM output (not all 3D printer boards and CNC board support that option).
2. Check if your firmware supports dynamic PWM output (Marlin firmware does not allow, GRBL 0.9 does not allow either).

We suggest using a lightburn software for laser photo engraving.

LightBurn Tutorial & a real story. Laser engraving / cutting software

To make a proper photo engraving you need to setup a few key parameters in Lightburn.

1. Check your firmware
2. Setup proper
   1. Speed
   2. Max power
   3. Min power
   4. Image mode

Original image

Lightburn parameters

Acclaim Crafts – Photo Engraving with a 10 Watt Endurance Laser (Read a full PDF guide)