This fascinating thing is the quin.mgx wall sconce designed by bathsheba grossman for materialise. Grossman has degrees in both mathematics and art and designs sculpture digitally. This piece represents the four elements of the natural world and the universe; the "quin" in the name stands for quintrino, the representation of this idea. It is made of stainless steel. The sconce sells for $858 and the pendant lamp is $1984.