Perfect-Fitting Finger Joints
When I need to add some extra strength to a corner, my first choice is a finger joint. The interlocking pins offer more than enough glue surface to ensure a long-lasting joint, and the patterned corner of the joint is a great aesthetic addition to many projects. However, my favorite thing about the joint is that I can make the perfectly mated parts entirely on the table saw with just a simple, shop-made jig.
Of course, for the joint to be effective, the pieces must fit perfectly. That level of accuracy usually means some careful setup, but by building a little adjustability into this jig fine-tuning the fit becomes much simpler. The key is
