Step 1: Cutting the Plywood From your three 2ft x 2ft plywood panels, you'll need to cut the following pieces: For the Fold-Out Panel: Cut one panel in half to get two pieces that are 2ft x 1ft each. These will be hinged together to form your desk surface and the back. For the Bottom of the Box: Cut one piece that is 2ft long by 1ft wide. For the Sides of the Box (2 pieces): Cut two pieces, each 2ft long by 1ft (12 inches) high. For the Ends of the Box (2 pieces): Cut two pieces, each 1ft wide See more