vrijdag 25 april 2008

zenon kulpa's INFINITY


donderdag 24 april 2008

reutersvard


double triangle


magnets


two squares


cube


double T


hexagon


donderdag 17 april 2008

octagon


impossible triangle


two rhombs


three blocks 1


three blocks 2


impossible square (inspired by vlad alexeev)


two hexagons


penrose tribar


two cubes