If you’re exploring creative hobbies and caught between laser engraving and UV printing, there’s much to love about both.

The Series 3500 UV lasers from DPSS Lasers (Santa Clara, California, USA) are quasi-continuous-wave (quasi-CW) lasers with a repetition rate greater than 100 kHz.

Precisely applied ultraviolet light is an amazing thing. You can expose PCBs, print 3D objects, and even make a laser light show. Over on the Projects site, [Mario] is building a machine that does ...