1 community-tested setting for engrave Slate on the OMTech 80W CO2. Always run a test on scrap material first.
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These 1 setting cover engrave Slate on the OMTech 80W CO2 (80W CO₂ laser). Stone engraving is forgiving — the laser ablates the surface without deep penetration, so focus accuracy and DPI matter more than power.
1 setting
What speed should I use to engrave Slate on the OMTech 80W CO2?
The top-rated community setting uses 4000 mm/min at 55% power. Equivalent to ~66mm/s. Reported on LightBurn forum (forum.lightburnsoftware.com/t/best-setting-for-engraving-slate/35426) and LA Hobby Guy community (lahobbyguy.com/bb/viewtopic.php?t=2916). Range is 3000–5000mm/min at 45–65%. Air assist OFF — blowing air scatters slate dust unevenly and can prevent the whitening effect. DPI: 300 DPI. Wipe slate clean after engraving.
Can the OMTech 80W CO2 cut Slate?
Cutting Slate on the OMTech 80W 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 80W CO2 need to engrave Slate?
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 Slate on the OMTech 80W 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.
Templates ready to cut on your OMTech 80W CO2 once you've dialed in the settings.
"Used it with a Glowforge — engraved beautifully with no changes. I will be purchasing more digital downloads from this shop."
— Anna
"I was struggling with lining up my NFC business cards. I was able to not only line them up much better but also do multiple cards at once — making that job so much easier."
— Camp
"Excellent quality and design. Cut clean and neat!"
— LYNN
"Great jigs. Appreciate the time saved not having to build this from scratch!"
— Bruce
"Excellent quality. Item as described. Expectations exceeded."
— Michael
"This template made my slate coasters so much easier. 4×4 coasters from Michaels drop in easily and are easy to remove. Def worth it."
— chris