After checking out the prices of manufactured foam cutters online, I decided to do a little digging and learn how to make one myself. I checked in with some friends I made while interning in LA, and they gave me great advice.
Materials:
12 foot, 16 guage extension cord
Nicrome wire. 16/28 gauge wire
Bots, washers, and nuts
Scrap wood
1K Variac Dimmer
There are a lot of different ways to build one of these. I found this link to be a good resource. Reading the comments was very helpful:
http://www.instructables.com/id/Hot-wire-foam-cutter/
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| It actually works! Best results with the Variac set between 5 and 7. |
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