Impossible Dovetail Puzzle

Most folks are familiar with the dovetail joint, which is commonly employed in furniture drawers and is thought by many to be a sign of quality workmanship due to its inability to be pulled apart. If not glued, this kind of joint can, in fact, be pulled apart, but only when moving in one specific direction.

This object seems to defy all logic by having dovetail joints on all sides. It leaves the observer wondering how it was put together and how – as the object of the puzzle suggests – how to get it apart. And to be clear, this is not a sham in any way. The top and the bottom half of the small box can be separated from each other