This hanging light sculpture looks interesting from any angle, and makes nice shadows. But from one precise viewing point, a secret image is revealed! You can build a sculpture like this from any number of different materials.
I built this sculpture using scrap plastic triangles and this brass rod. Any number of other materials could be used. You just need some stiff bendable wire (brass or copper around 1-2mm diameter are good choices) and a lot of chunks of material you can easily fasten the wire to.