Cutting acrylic and I have scarring

[Stroonzo (Jeff)]

You do not have enough power with a 50W machine for clean cutting 1/2” acrylic.

Clean cutting with polished edges means a single pass at just the right speed to cut and polish (as well as using a long focal length such as 101mm).

Your biggest hurdle is the multi pass cutting. You’re heating and reheating and melting surrounding acrylic of the kerf with every pass.

Example of 1/2” cuts on acrylic, one pass, 140w laser:

Karambit Knives on 1/2” Smoke Acrylic Double Sided Engraving

My son (a boy obsessed with knives, ninjas, and the like) came in to the shop about an hour ago. He was watching me design this turn table corner of a work bench in CAD: [image] Then he started asking if it was possible to make a karambit knife on one of the machines (either the laser or the spindle). The result was we used the laser and Lightburn to make the following: [image] Great edging on half inch acrylic (single pass): [image] Using the cut outs of the material, I flipped the k…