electrical - Film/TV question: How to build Foam Cutter from only household items - Electrical Engineering Stack Exchange
Making a Hot Wire Cutter for Shaping Foam - YouTube
inventorArtist » DIY Hot-Wire Foam Cutter
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HOW TO: Build a Hot Wire Cutter - Forum - DakkaDakka | Roll the dice to see if I'm getting drunk.
DIY Hot Wire Foam Cutter for handicraft in 20 minutes - YouTube
EastBay RC: DIY Handheld Hot Wire Cutter
How to Build a Simple DIY Plastic Foam Cutter Using a Nine-Volt Battery and Some Wire