Six squares that can't be the net of a cube
These six squares can't represent one of the 11 plane nets of the cube; here we can see the beginning of the process of "folding up" and we can see easily why the result is not a cube.
This image appears in the survey "Officina della matematica" in the double number 4-5 of the magazine XlaTangente.
© matematita
immagine di Gian Marco Todesco
The image belongs to the sections...:
Number 4-5 (From "XlaTangente")
Nets for polyhedra (3D geometry)
Further information:
http://www.toonz.com/personal/todesco
