Let’s face it: cutting foam with a knife, even a serrated plastic knife meant for the job, is a messy pain in the ass. This is as true for insulation board as it is for the ubiquitous expanded ...

Cutting foam is difficult with traditional methods. The best way is with a hot wire. If you read Hackaday, it is a good bet you can figure out how to use electricity to make a wire hot without any ...

Build your own temperature-controlled hot wire cutter for precise and smooth styrofoam cutting! In this tutorial, I’ll show you how to make a simple yet effective foam cutter with adjustable ...