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 ...

We like to cut plywood on the floor using a piece of extruded foam as a backing board. It makes a nice, solid surface to make the cuts. If storing the foam board is a problem, you can cut it in ...

Make enough attempts to cut foam using whatever you’ve got — utility knife, hacksaw, serrated plastic knife — and you’ll wish hard for something that cuts cleaner, faster, and better.