A torus in the 24-cell
The figure shows one of the 4 solid tori, in which a 24-cell can be decomposed. The 24-cell is one of the six regular polytopes in dimension 4.
© matematita
immagine di Gian Marco Todesco
The image belongs to the sections...:
24-cell (4D geometry)
Further information:
http://www.toonz.com/personal/todesco