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Monport GP 40W CO2 vs Glowforge Spark — Which Should You Buy?

Side-by-side specs, settings, and decision guide. Both have community-tested settings for 26 shared materials.

Which one should you buy?

Pick the Monport GP 40W CO2 if you want: native LightBurn support (industry-standard).

Monport GP 40W CO2

Power
40W
Laser Type
co2
Software
LightBurn

Glowforge Spark

Power
40W
Laser Type
co2
Work Area
498×279mm
59 settings for Monport GP 40W CO255 settings for Glowforge Spark

Settings Comparison

Material · OperationMonport GP 40W CO2Glowforge Spark
3mm Baltic Birch Plywoodcut22 mm/s · 78% · 2× passes · air assist20 mm/s · 65% · air assist
3mm Basswood Plywoodcut25 mm/s · 75% · 2× passes · air assist20 mm/s · 65% · air assist
3mm Clear Acryliccut20 mm/s · 72% · 2× passes · air assist12 mm/s · 70%
3mm MDFcut22 mm/s · 80% · 2× passes · air assist20 mm/s · 65% · air assist
Acrylic Feltcut55 mm/s · 28%—
Bamboo 3mmcut18 mm/s · 68% · air assist—
Bamboocut20 mm/s · 82% · 2× passes · air assist300 mm/min · 80–85% · 2× passes · air assist
Basswoodcut25 mm/s · 72% · 2× passes · air assist20 mm/s · 65% · air assist
Cardboardcut30 mm/s · 35%35 mm/s · 45%
Cardstock 300gsmcut85 mm/s · 18%—
Cardstockcut600 mm/min · 20%45 mm/s · 25%
Chipboard 2mmcut28 mm/s · 58% · air assist28 mm/s · 32%
Copy Paper 80gsmcut100 mm/s · 12%—
Cork 3mmcut28 mm/s · 35% · air assist230 mm/min · 55%
Corkcut—25 mm/s · 55%
Corrugated Cardboardcut35 mm/s · 45%—
Cotton Fabriccut15 mm/s · 45–50% · air assist45 mm/s · 22%
Denim Fabriccut17 mm/s · 50–55% · air assist40 mm/s · 28%
EVA Foam 6mmcut45 mm/s · 32%—
Faux Leathercut35 mm/s · 45% · air assist35 mm/s · 50%
Foam Board 5mmcut42 mm/s · 35%—
Genuine Leather (Veg-Tan, ~3mm)cut28 mm/s · 45–55% · air assist28 mm/s · 45–55% · air assist
Genuine Leathercut—300 mm/min · 70–75% · 2× passes · air assist
HTV Vinylcut90 mm/s · 12%—
Kraft Papercut—280 mm/s · 12%
Leathercut—300 mm/min · 70–75% · 2× passes · air assist
Maplecut12 mm/s · 65–75%12 mm/s · 65–75%
Mylar Stencil 7.5milcut68 mm/s · 18%—
Plywoodcut20 mm/s · 80% · 2× passes · air assist20 mm/s · 65% · air assist
Rubber Stamp Blankcut11 mm/s · 60–65% · air assist—
Walnutcut12 mm/s · 65–75%12 mm/s · 65–75%
3mm Baltic Birch Plywoodengrave—300 mm/s · 15–20%
3mm Basswood Plywoodengrave—300 mm/s · 15–20%
3mm Clear Acrylic (Cast)engrave420 mm/min420 mm/min
3mm Clear Acrylicengrave—200 mm/s · 15–20%
3mm Maple Plywoodengrave390 mm/min390 mm/min
3mm MDFengrave—300 mm/s · 15–20%
3mm Mirrored Acrylicengrave400 mm/min400 mm/min
Acrylic Feltengrave500 mm/s · 5–10%—
Anodized Aluminumengrave800 mm/s · 25% · 30× passes · air assist180 mm/min · 80%
Bamboo 3mmengrave250 mm/s · 15–20%—
Bamboo Cutting Boardengrave—250 mm/s · 38%
Bambooengrave—300 mm/min · 55%
Basswoodengrave—300 mm/s · 15–20%
Cardboardengrave—500 mm/s · 10–15%
Cardstock 300gsmengrave500 mm/s · 5–8%—
Cardstockengrave—500 mm/s · 5–10%
Ceramic Tileengrave—250 mm/s · 60%
Chipboard 2mmengrave400 mm/s · 15–20%400 mm/s · 20%
Coated Stainless Steel Tumblerengrave—280 mm/min · 50%
Copy Paper 80gsmengrave500 mm/s · 5–8%—
Cork 3mmengrave400 mm/s · 5–10%400 mm/s · 12%
Corkengrave—400 mm/s · 15–20%
Corrugated Cardboardengrave500 mm/s · 10–15%—
Cotton Fabricengrave280 mm/s · 16%300 mm/s · 15%
Denim Fabricengrave300 mm/s · 18%350 mm/s · 16%
EVA Foam 6mmengrave500 mm/s · 5–10%—
Faux Leatherengrave500 mm/s · 10–15%500 mm/s · 15%
Foam Board 5mmengrave500 mm/s · 5–10%—
Genuine Leather (Veg-Tan, ~3mm)engrave300 mm/s · 14–20% · air assist300 mm/s · 14–20% · air assist
Genuine Leatherengrave500 mm/s · 20% · 25× passes · air assist250 mm/min · 45%
Glassengrave350 mm/s · 10–14%350 mm/s · 10–14%
HTV Vinylengrave500 mm/s · 5–8%—
Kraft Paperengrave—500 mm/s · 8%
Leatherengrave450 mm/s · 22% · 28× passes · air assist250 mm/min · 45%
Mapleengrave250 mm/s · 20–25%250 mm/s · 20–25%
Marble Tileengrave80 mm/s · 55%—
Mylar Stencil 7.5milengrave500 mm/s · 5–8%—
Plywoodengrave—300 mm/s · 15–20%
Rubber Stamp Blankengrave200 mm/s · 22%—
Slate (coaster)engrave350 mm/s · 15–22%350 mm/s · 15–22%
Slateengrave500 mm/s · 35% · 40× passes · air assist220 mm/min · 60%
Stainless Steelengrave200 mm/s · 65%—
Walnutengrave250 mm/s · 20–25%250 mm/s · 20–25%
All Monport GP 40W CO2 settings →All Glowforge Spark settings →

Frequently Asked Questions

Which is better, the Monport GP 40W CO2 or Glowforge Spark?

It depends on your use case. Monport GP 40W CO2 is 40W co2. Glowforge Spark is 40W co2 with 498×279mm bed. See the decision guide and side-by-side specs above.

What materials can both the Monport GP 40W CO2 and Glowforge Spark cut or engrave?

Both machines have community-tested settings for 26 shared materials. The settings table above lists every material with side-by-side speed, power, passes, and air assist values for direct comparison.

Is the Monport GP 40W CO2 or Glowforge Spark compatible with LightBurn?

The Monport GP 40W CO2 works natively with LightBurn. The Glowforge Spark uses . LightBurn compatibility may be possible via a community device profile but is not officially supported.

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Settings are community-contributed and may not reflect your exact machine configuration or material batch. Always test on scrap first. Some links are affiliate links — we may earn a small commission at no extra cost to you.

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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