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] ...
If you do any work with Styrofoam or other similar materials, you know it can be tricky to cut and shape pieces how you want them. This DIY setup will cut any Styrofoam safely and precisely, and can ...