Laser Materials and Settings

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Narwhal Labs Laser Material and Settings Library

A library of known materials and laser settings that have been tested to work at Narwhal Labs on a Thunder Laser Nova 35 100W CO2 Laser Cutter and Engraver. Settings are not guaranteed to work and should be considered a baseline. Please add to or update this page if you test a new known material. Please obey all safety protocols listed on our main laser information page.

Never Ever Cut These Things

Material Also Known As Reason
PVC Poly Vinyl Chloride, Sintra, Oracal Vinyl, Pleather Emits deadly chlorine gas, corrodes machine internals
Rubber
Smells like a tire fire. Potential cyanide gas.
Polypropylene
Melty plastic mess
Carbon Plate
Melty mess
Unknown Anything you don't know the composition of Risk of fire, damage, injury or death.

Wood

Material Thickness Cut/Fill/Image Power (%) Speed (mm/s) Passes Notes
Ozark Trail Tumbler NA Image 40 300 1 Requires clean up
Baltic Birch Plywood 6mm Fill 25 100 1 Dark/deep image. Can dial back.
Baltic Birch Plywood 6mm Line 60 15 2 Mostly cut through with some areas that need to be trimmed with a razor
Baltic Birch Plywood 6mm Line 20 200 1 Good quality line engraving
Baltic Birch Plywood 9 Line 95 10 1 Should be a complete cut with proper focus. Work piece should be a few mm closer to the cutting head than auto focus distance.
Glass NA Fill 20 300 1 Shallow engraving, clear image
Glass NA   50 800 1 Shallow engraving, clear image
Paper Micarta 4.45mm Cut 60 15 1 Complete cut. Residue at cut edge can be cleaned easily with acetone / alcohol mix.

Plastics

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