Here is a laser engraving i did on my k40 on 9mm mdf,

Lasers Created With Laser
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Here is a laser engraving i did on my k40 on 9mm mdf, power was 10mA @ 150mm/s

9b07e9b400fc4926eef31b38c83376b8.jpeg
9b07e9b400fc4926eef31b38c83376b8.jpeg1440×2560 780 KB