Sanding Jig

This is a great tool to have when you want to sand spacers, uprights and diagonals. Cut a 12x18-inch base out of high-quality, solid plywood or particle board. Toward one end of it, cut two 3/8x3/8-inch slots that will guide the sanding block. Attach a 5-inch pivoting bar as shown, and drill holes into the base at 5-degree intervals so that the bar can be locked into position at these points. Perhaps the bar should...