
The hypercube, also known as a tesseract, is the four-dimensional analog to the cube. I made this projection of a hypercube with Stella 4d, which is available at http://www.software3d.com/Stella.php.

The hypercube, also known as a tesseract, is the four-dimensional analog to the cube. I made this projection of a hypercube with Stella 4d, which is available at http://www.software3d.com/Stella.php.

This is one of many possible facetings of the truncated icosahedron. I made it using Stella 4d, which you can try for yourself at this website: http://www.software3d.com/Stella.php.

The chances of getting anything worse than what we’ve got now are essentially zero.

Presented with apologies to Bill Watterson.

I made this polyhedron using Stella 4d, a program you can try for yourself at http://www.software3d.com/Stella.php.

I made this using Stella 4d, which is available at http://www.software3d.com/Stella.php.