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DVD laser engraving

So after reading this ( I decided I wanted to try it. From Fry's I picked up a $40 sony dvd burner, tore it apart (without it having ever met any of my computers, even!) and extracted the red laser diode. After some fiddling (which you can see some pictures of elsewhere here) i was able to mount it on my cnc machine and produce this image.

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Taken on August 26, 2007