In upstate New York, two algorithmic artists make wooden puzzles inspired by natural forms. By Siobhan Roberts PALENVILLE, N.Y. — On a meandering mushroom hunt at North-South Lake in the Catskill ...

Chris Danner can’t remember the first time he completed an Elms Puzzle. But he easily recalls the ones that “really blew me away” as a child, like an over 800-piece set he remembers illustrated with a ...