For best results, follow these steps for cutting curves and cutouts in thick foam board:

Cutting foam board curves. Whenever you’re cutting foam board, always make sure your blade is going all the way through the whole thickness of the board. This is a tip s. You should cut this kind of foam board with the ridges on the bottom.

Just be sure that your blade stays away from the smooth edge that. Now use your band saw (or jig saw) to cut all the way through the cutting board. 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.

Scoop enough foam to fit comfortably in your hand and hold it between your fingers, so there are at least three fingers exposed. Cutting curves can be challenging because the foam is more likely to compress. Use a utility knife and straightedge to cut through thin board in several passes.

Cutting through both thin and thick foam board works best when the cuts are straight lines. Using a marker, draw your desired shape onto the thick foam board. 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.

Lay the blunt side of the knife directly above a part. You don’t want to cut your shape and then find. Cut through the cutting board.

Curves are harder, and can be messy if you use a saw to cut them. You might want to try a tool normally used for leatherworking called a swivel knife. A few comments on my clean curve cuts in my builds.