1 community-tested setting for engrave Slate on the Atomstack A20 Pro. Always run a test on scrap material first.
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These 1 setting cover engrave Slate on the Atomstack A20 Pro (20W diode 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 Atomstack A20 Pro?
The top-rated community setting uses 4000 mm/min at 55% power. Same laser module as X20 Pro; same community settings apply. Atomstack officially lists slate as an engravable material for the A20 Pro. Source: lahobbyguy.com/bb/viewtopic.php?t=2916 and forum.lightburnsoftware.com/t/lightburn-grayscale-engraving-on-slate-using-lasermatic-mk2-20w-diode-laser/171784 (LaserMatic 20W diode, same power class).
Can the Atomstack A20 Pro cut Slate?
Cutting Slate on the Atomstack A20 Pro 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 Atomstack A20 Pro 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 Atomstack A20 Pro?
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 software do I use with the Atomstack A20 Pro for Slate?
The Atomstack A20 Pro works with LightBurn. Enter the speed, power, and passes directly into your software's layer settings — no conversion needed.
Templates ready to cut on your Atomstack A20 Pro 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