How to create interlocking joinery in CC

Box joints are one approach:

They require a vertical fixture though, and require a minimum of 3 setups:

  • cut parts to size and machine any internal features
  • clamp all four boards and machine joints into two corners
  • rotate the four boards 180 degrees and machine joints into the opposite two corners

They can turn out well though:

The big feature which makes laying these out easier is the Linear Array feature:

e.g.,:

I’ve been working on a full-blind miter box joint for a while — if you’d give me an example box size and stock thickness, and let me know what features you would like (rebate for lid/bottom? hinged lid?) we can walk through this with you here.