If the wooden board is not large enough (likely), join the pieces together, screwing together with joining pieces of wood, as shown in the image in step one. [2] X Research source Cut the foam underlay to fit the top side of the wooden base exactly. [3] X Research source
Pull the fabric taut over the foam (sitting on top of the wood) and wood board. Pull the overhang around to the back of the board. [5] X Research source
Use the measurement to cut the particleboard or plywood and foam pieces to shape.
Lay down the foam on the sheet. Lay the board over the foam.
On what will be the underside, staple into place. Use a staple gun again. Turn it over and check that it’s smooth and sitting properly.
