K40 CO2 — Glass

What speed should I use to engrave Glass on the K40 CO2?

The top-rated community setting uses 250 mm/s at 25% power. Apply dish soap or wet newspaper over glass surface before engraving — reduces thermal shock and produces frosted white finish. Wipe clean after. K40 CO2 engraves glass beautifully at low power. Cannot cut glass.

Can the K40 CO2 cut Glass?

Cutting Glass on the K40 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 K40 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 K40 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 K40 CO2?

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