L'Oeuf: Mechanical Puzzle of the week

I first got this puzzle in 2003 at the International Puzzle Party that was held in Belgium that year. That was the plastic version which was called Mysterians. It broke too easily and I foolishly let a non-puzzler handle it.

This metal version is indestructible! The object is to separate the pieces. You may find this hard to believe, but there is mathematical element behind it. From the mind of Oskar van Deventer.


Here is the solution.