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8linx.com features a 5-part tutorial on building a CNC hot wire cutter for polystyrene foam, using parts that come from the hardware store. The original market for these CNC foam cutters was R/C airplane modelers, who use them to cut wing profiles, but in combination with lost foam metal casting techniques they could be much more versatile.

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.


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