This image shows how the <a href="https://en.wikipedia.org/wiki/en:Schoch_line" class="extiw" title="w:en:Schoch line">Schoch line</a> (cyan) relates to <a href="https://en.wikipedia.org/wiki/en:Schoch_circles" class="extiw" title="w:en:Schoch circles">Schoch circle</a> W15 (green, numbering taken from "<a rel="nofollow" class="external text" href="http://www.retas.de/thomas/arbelos/Ubiquitous.pdf">Those Ubiquitous Archimedean Circles</a>")
<a href="//commons.wikimedia.org/wiki/User:Pbroks13" title="User:Pbroks13">Pbroks13</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>