Move the knife slowly along the markings so that you can see your progress because you will need to cut accurately and linearly so as to ultimately have satisfying results.
Best way to cut thick craft foam.
To cut soft or rigid foam that s 1 2 inch 12 mm thick or less lay the foam flat on your work surface.
Foam sheets aren t thick and will fit within the parameters of the cutter.
Start cutting the foam place the foam on the floor or onto a hard level surface and use an electric knife to cut along the lines you marked if the foam is not so thin.
For thick foam cut about halfway through the foam.
It s the dumb way to cut foam.
Select a metal cookie cutter in the shape you want to cut and press it down evenly through the foam.
Push the edge of the foam against the ridge of the cutter at the top so the foam sheet is even and then run the blade along the section to be cut.
Cut the foam with cookie cutters.
This technique offers a better cut than straight edge scissors can provide.
Cut a smooth even line slowly.
It was time consuming messy far from accurate and doing the curves was a real pain.
One of the things i neglected to mention in my banquette building post was how to cut the foam.
Purchase your foam here.
Alternatively use a large razor.
Cut the foam with an electric knife the type used for carving turkeys.