OMTech 40W CO2 — 3mm Black Acrylic

What speed should I use to engrave 3mm Black Acrylic on the OMTech 40W CO2?

The top-rated community setting uses 350 mm/s at 25% power. Black acrylic engrave — CO2 removes surface to expose lighter core. Low power prevents warping. Leave protective film on during engraving.

How many passes does the OMTech 40W CO2 need to cut 3mm Black Acrylic?

All settings here use a single pass. Confirm focus and do a small test burn before committing to your final design.

Do I need air assist for 3mm Black Acrylic on the OMTech 40W CO2?

Yes — 3 of the 5 settings here specify air assist on. It clears smoke and debris from the cut line, improves edge quality, and reduces fire risk especially during cutting.

What DPI should I use to engrave 3mm Black Acrylic on the OMTech 40W CO2?

Settings here use 300 DPI. For photographic detail or fine artwork, consider testing at higher DPI, but expect longer run times.

What software do I use with the OMTech 40W CO2 for 3mm Black Acrylic?

The OMTech 40W CO2 works with LightBurn. Enter the speed, power, and passes directly into your software's layer settings — no conversion needed.