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Bare Aluminum

9 settings6 machines

This page lists 9 community-tested settings for Bare Aluminum. Most metals require a coating (Cermark, Brilliance Laser Ink, or anodizing) for diode lasers. CO2 lasers can mark bare metal with the right settings.


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Top setting per machine

MachineOpSpeedPowerPasses
LaserPecker 4engrave2800 mm/s76%1
xTool F1 Ultra (Fiber)engrave2800 mm/s78%1
JPT MOPA 30W Fiberengrave2000 mm/s28%1
Commarker B6 30Wengrave2000 mm/s28%1
ComMarker B4engrave1600 mm/s30%1
xTool F1engrave800 mm/min95%2

Works with these machines

LaserPecker 4xTool F1 Ultra (Fiber)JPT MOPA 30W FiberCommarker B6 30WComMarker B4xTool F1

9 settings

LaserPecker 42Wfiber
engrave
Speed2800 mm/sPower76%Passes1

White mark on raw aluminum. Galvo speed compensates.

Shop LaserPecker 4More settings for this machine →
xTool F1 Ultra (Fiber)2Wfiber
engrave
Speed2800 mm/sPower78%Passes1

White mark on raw aluminum. 2W galvo speed compensates for low power.

Shop xTool F1 Ultra (Fiber)More settings for this machine →
JPT MOPA 30W Fiber30Wfiber
engrave
Speed2000 mm/sPower28%Passes1

White mark on aluminum. Clean result at high speed.

More settings for this machine →
Commarker B6 30W30Wfiber
engrave
Speed2000 mm/sPower28%Passes1

Fast white mark on raw aluminum. Good for batch production.

Shop Commarker B6 30WMore settings for this machine →
ComMarker B420Wfiber
engrave
Speed1600 mm/sPower30%Passes1

White matte mark on raw aluminum sheet. Clean contrast.

Shop ComMarker B4More settings for this machine →
ComMarker B420Wfiber
mark
Speed500 mm/sPower70%Passes1
Shop ComMarker B4More settings for this machine →
LaserPecker 42Wfiber
mark
Speed200 mm/sPower90%Passes3
Shop LaserPecker 4More settings for this machine →
xTool F12Wfiber
engrave
Speed800 mm/minPower95%Passes2DPI300

Deep ablative engrave into raw aluminum. 2 passes at near max power for a visible groove. Good for nameplates and signage where a tactile mark is needed. Expect some burr on edges — clean with a fine file or brass brush.

Shop xTool F1More settings for this machine →
xTool F12Wfiber
mark
Speed1500 mm/minPower85%Passes1DPI300

Raw uncoated aluminum — harder to mark than anodized as there is no coating to remove. IR oxidation mark. Higher power and slower speed than anodized. Result is a dark grey/black surface mark. Clean surface first with IPA.

Shop xTool F1More settings for this machine →
Materials

Supplies to have on hand

Materials and accessories that pair well with Bare Aluminum laser projects.

Cermark Metal Marking SprayAllows CO₂ and diode lasers to permanently mark bare metal.
Brilliance Laser InkBudget alternative to Cermark for metal marking.
Anodized Aluminum SheetEngraves vivid black on a diode laser - no spray needed.
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Frequently Asked Questions

What are the best laser settings for Bare Aluminum?

A top-rated community setting for Bare Aluminum on the LaserPecker 4 is speed 2800 mm/s, power 76%. There are 9 community-tested settings for Bare Aluminum across 6 machines on this page.

Do I need a fiber laser for Bare Aluminum?

Fiber lasers can mark Bare Aluminum directly without any coating. There are 9 fiber laser settings on this page. Diode and CO₂ lasers may require a marking compound (like Cermark) to achieve a visible result on bare metal.

What Makers Say

★★★★★5.0· 6 reviews
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★★★★★

"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

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