Hot wire foam cutters are the fastest, cleanest and easiest tools to use to cut rigid polystyrene foams, like styrofoam, white beaded eps, and xps foams (blue and.

Cutting foam board curves. Curves are harder, and can be messy if you use a saw to cut them. Best way to cut foam board may be you are a designer, architecturer, or in a related field and would like to create some props, mounts, architectural models, or other stuff. With a small, sharp craft knife,.

Just be sure that your blade stays away from the smooth edge that. It is more solid in the center, which is why it is sometimes referred to as rigid foam insulation. You don’t want to cut your shape and then find.

Now use your band saw (or jig saw) to cut all the way through the cutting board. Cutting curves can be challenging because the foam is more likely to compress. As with the long blade utility knife, you’ll want to cut in a smooth motion without sawing to keep your edges clean.

This is a tip s. Straight cuts in rigid foam insulation board are easy with a razor knife. It has a cutting width of 4.5 inches and a depth of 6 inches, making it ideal for trimming off the excess or for cutting curved edges that would be difficult with a knife.

A few comments on my clean curve cuts in my builds. Use a utility knife and straightedge to cut through thin board in several passes. Using a marker, draw your desired shape onto the thick foam board.

Figured i'd do a quick vid to show my technique.url to the 3d plans for the knife handle i am using ht. Scoop enough foam to fit comfortably in your hand and hold it between your fingers, so there are at least three fingers exposed. You might want to try a tool normally used for leatherworking called a swivel knife.