- 1). Prepare your workspace.
- 2). Mark the foam board where you want it cut.
- 3). Using a metal ruler, cover the foam board part you want to keep and cut into the part you are going to discard.
- 4). Cut into the foam board with an X-acto knife breaking through the top surface of paper. Do not use too much pressure.
- 5). Continue cutting until you are clearly through the foam board. This is the trick. Use multiple cuts with minimal pressure.
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