On Mon, 23 Apr 2018 13:47:43 -0700 (PDT), wrote:
I'd have used a scrap of wood & 2 bolts.

B-)

There was a comment that it would be "difficult to do in wood", a
challenge if ever there was one... but is using a couple of bolts
cheating? Does it have to be wood and wood only, solid wood no parts?

--
Cheers
Dave.