Box joints, also called finger joints, are a great way to join corners on a box. Not only do they add a significant amount of strength, they also look great. Especially when the box joint is made from contrasting materials. The table saw, equipped with a dado head, provides a great way to make box joints, provided you have a jig. WWGOA’s box joint jig video shows a simple shop-made box joint jig is the perfect solution to your box joint needs.
The plans for this jig can be found here.