
This guide covers three techniques for darkening laser engraving on dark wood — baking soda/borax pre-treatment, the defocusing "line-after-fill" technique, and post-processing tricks like stain or spray paint — along with detailed baseline settings, Material Test instructions, and air assist tips for the OMTech 60W Pronto and 55W Polar Lite laser engravers.
If you’re about to start a wood laser engraving project, read to learn which factors will affect your decision to stain the wood before or after laser engraving.