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xytable1 How To:  Build a CNC hot wire foam cutter

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 am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c’t – Magazin für Computertechnik, and The Wall Street Journal.


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