A square
A square made with tooth-picks and plasticine. If you make two squares like that and link them up you get a cube.
Image used in the double number 4-5 of the magazine XlaTangente
© matematita
foto di Daniela Della Volpe
The image belongs to the sections...:
Dossier 4d (From "XlaTangente")
Polygons (2D geometry)