laser cutting 3/8" marine plywood

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Diane Brancazio

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Aug 30, 2025, 2:30:07 PM (12 days ago) Aug 30

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Anyone had successful experience cutting 3/8” marine plywood on a 120 W Epilog laser cutter (or similar)?

I’m cutting silhouettes that will go outdoors, and using marine plywood bc the glue is not water soluble.

Lenses are cleaned, beams are aligned, and I am using a 4” focus lens. I tried the spec from the manual (8% speed, 100% power) and it practically sets the wood on fire. More luck with multiple passes at faster speeds, lower power, and moving the focus down in each pass.

Would love to hear others’ experiences and thoughts.

Thanks,

Diane

Diane Brancazio | K-12 Maker Team Leader

MIT Edgerton Center | Office of Experiential Learning
77 Massachusetts Ave. Cambridge, MA 02139

Email | Maker Resources | LinkedIn

"If you want to build a ship, don't drum up people to collect wood and don't assign them tasks and work, but rather teach them to long for the endless immensity of the sea." - Antoine de Saint Exupéry

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