Cactus puzzle

Goal: The goal of this puzzle is to get the ring out (and then back). For some people this will be trivial and solved in seconds, and for others it will take multiple minutes.The puzzle is inspired by models such as “the twig puzzle” or “the oksa puzzle”. AssemblyThe assembly is done via press-fit pegs.I recommend printing the cactus pieces, then printing one peg, check the fit. If too loose or tight, can change the scale by a few percents or retry. Alternativelly if too loose, inserting a thin