In this video I've made a hot wire Styrofoam cutter. I'll be using it to cut the airfoil on the wings for an upcoming model airplane build. The hot wire cutter is powered by a transformer from an old ...

Foam is all kinds of useful, but trying to cut it with scissors or a serrated plastic knife is usually an exercise in futility. What you really need is a hot wire for nice clean cuts. [Elite Worm] ...

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 ...