penthouse & pavement
penthouse & pavement
geometrymatters:

“Graziotti was not a professional mathematician. He was an artist, in the style of the masters of the Italian Renaissance: Piero della Francesca, Paolo Uccello, Leonardo da Vinci and many others, big and small.”
lunaghoststar:

Platonic Solids
hidingfefe:

Printing till exhaustion (1979) by Dora Maurer
globalartnews:

JACOB KASSAY     USA
Untitled (disambiguation), 2013