A "laser" engraver on a budget! http://www.instructables.com/id/CNC-Etching-With-the-Sun/

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HalfNormal (0.45 NACL) July 9, 2017, 1:58pm 1

A “laser” engraver on a budget!

CNC Etching With the Sun

CNC Etching With the Sun: I don't remember who taught me you could burn stuff by focusing the sun's light with a magnifying glass, but I do remember how cool I thought it was. I felt like I was making something out of nothing. Whether it was dried...

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