Screw a 2-by-4-by-8 piece of wood to the surface to be used as the workbench. Drill pilot holes first to ease the inserting of screws.
Set the blade of a table saw to between 35 and 40 degrees. Where a tapering jig is used on the table saw it should be set to a 15-degree angle.
Cut a 2-by-8-by-8 piece of wood down the center using the table saw; cut the wood with the grain. Using the slanted settings on the table saw, two trapezoid shaped pieces of wood are created.
Place the larger of the two cut pieces with its longest side on the table parallel to the 2-by-4-by-8 piece of wood around 11 inches from the 2-by-4-by-8 piece. Drill holes in the wood and surface and screw into place using wood screws.
Insert the piece of wood to be worked flush to the 2-by-4-by-8 piece of wood. Insert the second unattached piece of sawn wood against the cut piece that has been screwed to the surface to hold the wood in place.