What you really need is a hot wire for nice clean cuts. [Elite Worm] built a hot wire foam cutter that can cut any type of foam with ease, be it Styrofoam or grey craft foam.

Cutting foam is pretty tricky without a hot wire cutter. Don’t have one? Well, lucky for you, [Darcy Whyte] has a guide on how to make one. It takes just over an hour to build, and it costs next ...

The science pros at TKOR build a DIY hot-wire styrofoam slicer for cheap crafting.

The hot wire melts or vaporizes the foam when passing through it and so we can precisely and easily get any shape we want.” Watch this video on YouTube.