Orthographic projection of <a href="https://en.wikipedia.org/wiki/10-cube" class="extiw" title="w:10-cube">10-cube</a> making the petrie polygon
<a href="//commons.wikimedia.org/wiki/User:Rocchini" title="User:Rocchini">Claudio Rocchini</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>