A mapping of an engine around two poles made with <a rel="nofollow" class="external text" href="http://www.gimp.org">GIMP</a> and its <a rel="nofollow" class="external text" href="http://www.complang.tuwien.ac.at/schani/mathmap/">mathmap plug-in</a>.
<a href="//commons.wikimedia.org/wiki/User:CarolSpears" title="User:CarolSpears">carol</a>
CC BY-SA 3.0
<a href="//commons.wikimedia.org/wiki/File:Mercedes_V6_DTM_Rennmotor_1996.png" title="File:Mercedes V6 DTM Rennmotor 1996.png">Mercedes V6 Rennmotor from the DTM, 1996, transparent background</a>