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 ...

[ftregan] needs to cut perfect V-grooves in foam for many of his projects, especially building RC planes. He wasn’t too satisfied with the results using his Xacto knife. And a proper tool was ...

Foam board insulation is easy to cut with a circular saw and a masonry blade, or scored with a utility knife and snapped like ...