Set one 18-inch-by-74-inch sheet of plywood and one 18-inch-by-39-inch sheet of plywood together in an "L" shape. Arrange them so that the end of the longer sheet abuts the face of the shorter sheet. Connect them using two L-braces set 2 inches from each edge of the lumber.
Repeat the first step to build a second "L."
Arrange the two "Ls" into a rectangular frame. Connect the open corners as you did the "Ls."
Lay the other plywood sheet on top of the frame. Its edges should be aligned with the frame.
Nail the plywood sheet down with a nail in each corner and a line of nails along each edge. Space the nails about 6 inches apart and drive them through the face of the plywood sheet into the edges of the frame below.
Sand the surfaces of the plywood using rough-grit sandpaper.
Things You Will Need
- Plywood sheet, 1/2 inch by 39 inches by 75 inches
- 2 plywood sheets, 1/2 inch by 39 inches by 18 inches
- 2 plywood sheets, 1/2 inch by 74 inches by 18 inches
- 8 L-brackets with accompanying screws
- Power drill with screwdriver bits
- Nails, 1 inch long
- Hammer or nail gun
- These plans are for a twin bed frame. To build larger frames, start by altering the dimensions of your plywood sheets. For queen and larger frames, consider running a third long sheet down the center of the box frame to prevent sagging.