Finger Joint Boxes using Fusion

[kvcummins (K Cummins)]

Box joints milled flat

This is an early test of a method to cut box joints on CNC with the material laying flat. Of course there are a million methods and jigs for box joints on table saws or other tools, but on CNC it seems especially nice if one can cut out the whole thing in one operation while the material (say plywood) is laying flat. Since a traditional box joint has square slots between the fingers, it can’t be cut laying flat on a CNC machine because of the the square inside corners. By rounding the slots b…