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Hat tip to Make Online and Google Image search for vectoring me onto this cool little CNC project:
They’re made by CNC’ing old CD’s or DVD’s, which gives them that shimmery look. That’s a cool scrap material for doing art projects.
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[…] January 2011: Engineer, Heal Thyself. The amazing story of a man who designed his own aortic prosthesis in order to save his life. BTW, the article that got the most traffic was on making art out of old CD’s. […]
I tried this once, using two side clamps the CD just vibrated like crazy and chipped one surface. Think about holding it down with glue or double sided tape, something secure over the entire surface.
Good call, John. Those thin surfaces need the extra support like any thin wall machining will.
Double sided tape, perhaps a vacuum chuck, or some other way of clamping the whole surface will help. Another theory, assuming you want to make a bunch of something as gifts, is to try clamping a stack together and machining them as a stack.
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