<a href="https://en.wikipedia.org/wiki/8-cell" class="extiw" title="w:8-cell">8-cell</a> <a href="https://en.wikipedia.org/wiki/vertex_figure" class="extiw" title="w:vertex figure">vertex figure</a>.
<a href="https://en.wikipedia.org/wiki/User:Tomruen" class="extiw" title="w:User:Tomruen">Tom Ruen</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="w:">English Wikipedia</a>
19 December 2008 (original upload date)
<span class="int-own-work" lang="en">Own work</span> (<span lang="en" dir="ltr">Original text: <i><bdi lang="">I created this work entirely by myself.</bdi></i></span>)