CNC Joints for Boxes/Cabinets

There are some notes on this at: https://www.shapeoko.com/wiki/index.php/Fabrication_Techniques_%26_Hardware#Joinery

notably http://www.flexiblestream.org/Digital-Wood-Joints-001.php

and

https://www.shapeoko.com/wiki/index.php/Commercial_Software#Joints

as well as: