I started with a piece of walnut plywood cut to size. On the underside, glue three-inch-wide strips of the same plywood on the edges and pinned them into place. Put one more three-inch strip in the ...

To get started, determine the size of your tabletop understructure by laying out your tiles with 1/4-in. tile spacers to measure this accurately. Your calculations will work from the tile layer in, so ...