5 puzzle

In Artificial Intelligence, the tile puzzle is used as an example of various concepts with search algorithms. The "5 puzzle" shows up on assignments and tests. This can be used as a classroom example, as a way to test algorithms, or simply as a fun fidget puzzle.

This model was made with curved slots, so it can be printed without supports. You can rub a little soap on the sides as lubricant if they are hard to move, or scale down the tiles 1-2% if you want them looser.