Went to visit the Kröller Müller Museum deep inside the Dutch country side (if that exists) last Sunday. Apart form a walk in the rain through the splendid sculpture garden (an absolute must-visit) we had a short (too little time, must come back in the summer) walk through the permanent collection. One of the works that i really liked was this relief (or however you call this) by the russian avant-garde art group UNOVIS:

UNOVIS (1921) Suprematistisch reliëf

Apart from the beauty of the work as such i also find it quite intriguing that the design team at sony has apparently been inspired by this work when they came up with the symbols on the buttons of the playstation controllers.