Figured i'd do a quick vid to show my technique.url to the 3d plans for the knife handle i am using ht.

How to cut foam board curves. Your goal for the first pass is to lightly score the upper layer of. For best results, follow these steps for cutting curves and cutouts in thick foam board: Use a utility knife and straightedge to cut through thin board in several passes.

This is a tip s. With a small, sharp craft knife,. Straight cuts in rigid foam insulation board are easy with a razor knife.

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 pink. First, use your utility knife to score the insulated foam. There is a several pound weight attached to the.

Prepare your tool to cut the foam into the right size and shape following the measurement. To cut curves, hold the knife perpendicular to the foam and use a short sawing motion. Also, whatever you decide to cut with should be held as horizontally as possible.

Curves are harder, and can be messy if you use a saw to cut them. Cutting curves can be challenging because the foam is more likely to. Be consistent and gentle in shaping or curving out the extra foam to make it.

Cutting through both thin and thick foam board works best when the cuts are straight lines. This is the best way to cut foam board insulation with a utility knife. Then, as near as possible, pass the utility knife.