A Delaunay triangulation with circumcircles
<a href="//commons.wikimedia.org/w/index.php?title=User:Gjacquenot&amp;action=edit&amp;redlink=1" class="new" title="User:Gjacquenot (page does not exist)">Gjacquenot</a>
2013-12-28 18:00:00
<span class="int-own-work" lang="en">Own work</span>, <a href="//commons.wikimedia.org/wiki/File:Delaunay_circumcircles.png" title="File:Delaunay circumcircles.png">File:Delaunay circumcircles.png</a> (<a href="//commons.wikimedia.org/wiki/User:N%C3%BC_es" title="User:Nü es">Nü es</a>)