Woodcraft's is a good example. Another handy item is a jig for cutting tapered parts, such as table legs and wedges. And a good miter gauge can make for far more efficient and accurate cuts.

Four designs for end tables with tapered legs seen in plan and front elevation. From left to right: plan and elevation for 27-inch tall table with 18x13-inch tabletop; plan and elevation for 18-inch ...