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6mm Clear Acrylic

12 settings6 machines

This page lists 12 community-tested settings for 6mm Clear Acrylic. Acrylic cuts and engraves cleanly on both CO2 and diode lasers. Cast acrylic gives a frosted edge on cuts; extruded acrylic melts and polishes.


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acrylic
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Top setting per machine

MachineOpSpeedPowerPasses
Glowforge Proengrave120 mm/s22%1
Glowforge Basicengrave120 mm/s22%1
OMTech 80W CO2engrave200 mm/s15%1
OMTech 60W CO2engrave150 mm/s18%1
OMTech Polarengrave80 mm/s28%1
OMTech 40W CO2engrave100 mm/s20–25%1

Works with these machines

Glowforge ProGlowforge BasicOMTech 80W CO2OMTech 60W CO2OMTech PolarOMTech 40W CO2

12 settings

Glowforge Pro45Wco2
engrave
Speed120 mm/sPower22%Passes1DPI300

CO2 wavelength is absorbed by clear acrylic — diode lasers pass straight through. Keep power low for engrave to avoid melt.

Shop Glowforge ProMore settings for this machine →
Glowforge Basic45Wco2
engrave
Speed120 mm/sPower22%Passes1DPI300

CO2 wavelength is absorbed by clear acrylic — diode lasers pass straight through. Keep power low for engrave to avoid melt.

Shop Glowforge BasicMore settings for this machine →
OMTech 80W CO280Wco2
engrave
Speed200 mm/sPower15%Passes1DPI300

CO2 wavelength is absorbed by clear acrylic — diode lasers pass straight through. Keep power low for engrave to avoid melt.

Shop OMTech 80W CO2More settings for this machine →
OMTech 60W CO260Wco2
engrave
Speed150 mm/sPower18%Passes1DPI300

CO2 wavelength is absorbed by clear acrylic — diode lasers pass straight through. Keep power low for engrave to avoid melt.

Shop OMTech 60W CO2More settings for this machine →
OMTech Polar30Wco2
engrave
Speed80 mm/sPower28%Passes1DPI300

CO2 wavelength is absorbed by clear acrylic — diode lasers pass straight through. Keep power low for engrave to avoid melt.

Shop OMTech PolarMore settings for this machine →
Glowforge Pro45Wco2
cut
Speed6 mm/sPower72%Passes2
💨 Air Assist

6mm clear acrylic needs more power than 3mm. Air assist essential to prevent melt-back. Cast acrylic gives polished flame-cut edges.

Shop Glowforge ProMore settings for this machine →
Glowforge Basic45Wco2
cut
Speed6 mm/sPower72%Passes2
💨 Air Assist

6mm clear acrylic needs more power than 3mm. Air assist essential to prevent melt-back. Cast acrylic gives polished flame-cut edges.

Shop Glowforge BasicMore settings for this machine →
OMTech 80W CO280Wco2
cut
Speed15 mm/sPower50%Passes1
💨 Air Assist

6mm clear acrylic needs more power than 3mm. Air assist essential to prevent melt-back. Cast acrylic gives polished flame-cut edges.

Shop OMTech 80W CO2More settings for this machine →
OMTech 60W CO260Wco2
cut
Speed10 mm/sPower60%Passes1
💨 Air Assist

6mm clear acrylic needs more power than 3mm. Air assist essential to prevent melt-back. Cast acrylic gives polished flame-cut edges.

Shop OMTech 60W CO2More settings for this machine →
OMTech Polar30Wco2
cut
Speed4 mm/sPower80%Passes2
💨 Air Assist

6mm clear acrylic needs more power than 3mm. Air assist essential to prevent melt-back. Cast acrylic gives polished flame-cut edges.

Shop OMTech PolarMore settings for this machine →
OMTech 40W CO240Wco2
engrave
Speed100 mm/sPower20–25%Passes1DPI300
Shop OMTech 40W CO2More settings for this machine →
OMTech 40W CO240Wco2
cut
Speed6 mm/sPower72%Passes2
💨 Air Assist

6mm acrylic needs 2 passes. Flame-polished edge but may have slight haze — remove masking immediately after cutting.

Shop OMTech 40W CO2More settings for this machine →
Materials

Supplies to have on hand

Materials and accessories that pair well with 6mm Clear Acrylic laser projects.

Acrylic 3mm ClearBest for crisp laser cuts with polished edges.
Acrylic 3mm BlackHigh contrast engrave - black shows laser marks beautifully.
Painters TapeMask acrylic before cutting to prevent melt marks.
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From the Blog

How to laser engrave and cut acrylic: settings for COâ‚‚ and diode

Frequently Asked Questions

What are the best laser settings for 6mm Clear Acrylic?

A top-rated community setting for 6mm Clear Acrylic on the Glowforge Pro is speed 120 mm/s, power 22%. There are 12 community-tested settings for 6mm Clear Acrylic across 6 machines on this page.

Do I need air assist for 6mm Clear Acrylic?

50% of the community settings for 6mm Clear Acrylic use air assist. Air assist is strongly recommended - it reduces charring and improves cut quality.

What speed and power to cut 6mm Clear Acrylic in one pass?

Settings vary by machine wattage. For a 20W diode laser, cutting 6mm Clear Acrylic typically requires high power (90–100%) at moderate speed (1500–3000 mm/min) with air assist. CO₂ lasers can cut 6mm material faster - 20–60 mm/s at 50–70% power is common. Check the settings table below for your specific machine.

What Makers Say

★★★★★5.0· 6 reviews
View all on Etsy →
★★★★★

"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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