Side-by-side specs, settings, and decision guide. Both have community-tested settings for 15 shared materials.
OMTech 40W CO2: $599 vs Glowforge Spark — prices as of 2026, check retailer for current pricing.
Where to buy
Buy the OMTech 40W CO2 — check current price & availability
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Pick the OMTech 40W CO2 if you want: native LightBurn support (industry-standard).
Pick the Glowforge Spark if you want: a larger work area (498×279mm).
Ready to buy the OMTech 40W CO2?
Buy on Amazon →Which is better, the OMTech 40W CO2 or Glowforge Spark?
It depends on your use case. OMTech 40W CO2 is 40W co2 with 300×200mm bed. Glowforge Spark is 40W co2 with 498×279mm bed. See the decision guide and side-by-side specs above.
What materials can both the OMTech 40W CO2 and Glowforge Spark cut or engrave?
Both machines have community-tested settings for 15 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 OMTech 40W CO2 or Glowforge Spark compatible with LightBurn?
The OMTech 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.
Popular Comparisons
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.
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