OMTech 40W CO2 — Glass

What speed should I use to engrave Glass on the OMTech 40W CO2?

The top-rated community setting uses 320 mm/s at 20% power. Fine detail glass engraving. Slow pass with higher DPI for portrait or text on tumblers and wine glasses.

Can the OMTech 40W CO2 cut Glass?

Cutting Glass on the OMTech 40W CO2 may be possible but no verified cut settings have been submitted yet. You can contribute your own tested settings using the button above.

How many passes does the OMTech 40W CO2 need to engrave Glass?

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 Glass on the OMTech 40W CO2?

Air assist is not flagged as required for these settings, but it is good practice during cutting operations to keep the lens clean and reduce char buildup.

What DPI should I use to engrave Glass on the OMTech 40W CO2?

Settings here use 300–400 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 Glass?

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