This IPP31 exchange puzzle by Theo Geerinck challenges you to create a Borromean rings structure using three bent pieces. Borromean rings are three rings that are
...Plus linked in such a way so that if any one ring is removed, the other two will fall apart (also known as a Brunnian Link)
This puzzle comes as a six piece kit. Two of the rings must be glued (see instructions), one ring should remain open to be assembled/disassembled on the spot.
