Does anyone know what this box joint is called?

[eflyguy]

Then I think this thread will help. They worked well for me, although I always cut test pieces to get the best fit for my material.

Serrated tabs - no more glue

I love design but I don’t much care for assembly. Why should you have to deal with glue when your Glowforge can make the fasteners for you? I did some experimenting with serrated edges on tabs, and the results have been terrific. Proofgrade plywood is very consistent in thickness, so when using it, you can reliably depend on a design with serrated tabs to go together with a few taps from a rubber mallet. I’ve printed a single serrated design from Proofgrade maple, cherry, walnut, and I think…