Vlakke(n)bal
Skeletal cuboctahedron
Wiskunst
Abstract, wiskundig model
Spiraalkrans
Spiral wreath
Flip-flap
Flipper/Fiddler Flexagon
Clic Clac
Clic Clac
Gestreepte piramide
Striped tetrahedron
Patchwork
Flowermat
Optische illusie
Imposssiblock
RhoDoDe
RhoDoDe
Bakstenen
Big bricks: variation by Sara Adams
Bakstenen
Bricks