Depiction of geometric "<a href="https://en.wikipedia.org/wiki/Arbelos" class="extiw" title="en:Arbelos">Arbelos</a>".  Generated by means of the following PostScript code:
<pre>%!
300 300 250 180 0 arcn
450 300 100 0 180 arc
200 300 150 0 180 arc
closepath
gsave
.8 setgray
fill
grestore
2 setlinewidth
stroke
showpage
%EOF</pre>
<a href="https://en.wikipedia.org/wiki/User:AnonMoos" class="extiw" title="wikipedia:User:AnonMoos">AnonMoos</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons.