Friday puzzle -- ones you can build
Alex Y
Likely many of you have seen some or all of these, but if you haven't and are like me, you will have to think long and hard about how you could build these. All are assembled from only the two apparent pieces of wood (i.e., no cutting apart, then laminating pieces to give the appearance of only two pieces joined). The joints are "solid", i.e., there are no hidden open spaces internally. And the surfaces not facing the camera contain no surprises; they are just what you would expect.
Your task is to build these and post pictures of the assembled and disassembled joints. Or short of that, explain how they could be made.
You may know one way to build this, but there are actually ten known solutions (most of which I can't visualize, even with an explanation). Can you come up with more than one solution?
Roy Underhill used this joint in a workbench he has built.
I think I know how this one was built, but I haven't seen the solution presented, so I might not have it right.
