More ideas from KEK
Build this simple finger joint jig in an afternoon and have time left to make a few boxes. I used two part epoxy to quickly bond the table saw runners and the joint spacer. Take your time lining up the spacer. You may need to do this step a couple times to get it right. I found I needed to make the pins a hair narrower in order to fit the slots.

Build this simple finger joint jig in an afternoon and have time left to make a few boxes. I used two part epoxy to quickly bond the table saw runners and the joint spacer. Take your time lining up th (Diy Step Box)