45° curve, in tunnel
<ul><li><a href="//commons.wikimedia.org/w/index.php?title=File:BSicon_ut%C3%9CWr.svg&amp;action=edit&amp;redlink=1" class="new" title="File:BSicon utÜWr.svg (page does not exist)">BSicon utÜWr.svg</a>: *<a href="//commons.wikimedia.org/w/index.php?title=File:BSicon_ut%C3%9CWol.svg&amp;action=edit&amp;redlink=1" class="new" title="File:BSicon utÜWol.svg (page does not exist)">BSicon utÜWol.svg</a>: <a href="//commons.wikimedia.org/wiki/User:AlgaeGraphix" title="User:AlgaeGraphix">AlgaeGraphix</a></li></ul><p>derivative work: <a href="//commons.wikimedia.org/wiki/User:AlgaeGraphix" title="User:AlgaeGraphix">AlgaeGraphix</a>
</p>
<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Useddenim" title="User:Useddenim">Useddenim</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Useddenim" title="User talk:Useddenim">Useddenim</a>)</li></ul>
2011-02-24
Own work based on: <a href="//commons.wikimedia.org/w/index.php?title=File:BSicon_ut%C3%9CWr.svg&amp;action=edit&amp;redlink=1" class="new" title="File:BSicon utÜWr.svg (page does not exist)">BSicon utÜWr.svg</a>