On Sat, 12 Oct 2019 14:50:08 -0400, "Jim Wilkins"
wrote:

"Scott Lurndal" wrote in message
...
J. Clarke writes:
On Sat, 12 Oct 2019 06:42:47 -0400, "Jim Wilkins"
..
I suspect he's not familiar with box joints or the normal shift &
cut
methods used by off-the-shelf (or typical home-made) box joint jigs.

Can you post a description of it?

First off, the objective is to make box joints. To be clear on the
definition, this is a box joint:

https://en.wikipedia.org/wiki/Box_joint

Here's a nice howto on making a jig for a handheld router:

https://www.youtube.com/watch?v=nsgy6d4365k

He doesn't show it with the pieces stacked, but the principle is
fairly straightforward. Same technique but clamp together all the
pieces that get the same cut and do them at once.