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Keyboard Builders' Digest / Behind the Scenes

Laser-etching keycaps

Laser-etching keycaps for a cyberdeck. Posted by Tinfoil_Haberdashery.

The keycap is an opaque PBT one. The UV laser seems to denature the pigment and/or ablate the surface in a way that makes gray marks.

The laser used was a SFDC SFX-UV and it is a 3W engraving laser. (A galvo head UV fiber laser.)

Published on Thu 20th May 2021. Featured in KBD #27 (source).


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