These strange mathematical shapes make rather lovely Christmas decorations. Each loop appears to consists of five twisted strands but, in fact, the whole object is composed of a single strand.

At this scale they have a soft springy feel but keep their shape well when handled, suspended or rested on a surface. Don't drop them though or, rather like a Slinky, you may have some careful untangling to do.

Extruded from the pentagonal faces on a buckyball using TopMod.