a trefoil surface, it is the converse version of "all is one". take a look at the "all is one" to see an example for the beautiful metal print version.

Earring or pendant ? what you want!

This bust represents the ancient King Polygon, system administrator of a country far far away. He was very appreciated by his fellas, because of his calm and kindness. Actually, his secret was a good amount of sleep.
But even as a nice king, he had to take care of many wars and conflicts. His biggest enemy was Lord Nurbs, who always wanted to make things complicated. The night before their last big combat, King Polygon fell asleep and never woke up.
Thus, this bust is dedicated to the brave King Polygon.
(and this is my entry for the Faces Contest!:)

a simple hopf ring (minimal surface), wall thicknes is 1,5 mm !

wall thicknes is 1.6mm

From Escher's woodcut 'knots'.