Decades ago, I had fun with jigsaw puzzles where all pieces were exactly the same shape, so you could combine them any way you wanted! The goal was to actually

Decades ago, I had fun with jigsaw puzzles where all pieces were exactly the same shape, so you could combine them any way you wanted! The goal was to actually produce an image that made sense. The shape of each piece was a salamander, well-known from M.C.Escher's works. I've just searched the name of the company, and the website is still up: https://shmuzzles.com/ https://shmuzzles.com/