At the beginning of March I posted a few photographs of dovetail joints that, at first sight, look impossible to put together, let alone take apart. As I said then, there’s no real trick to them; it’s just that the assumptions one makes about the parts of the joint hidden to the eye turn out to be wrong.
Here’s the double dovetail disassembled:
And here is the triple dovetail:
Ingenious and amusing, but rather short on practical applications.
Finely Strung 