Part of a series of 2 differently colored metaballs, and how they interact with each other.  The series was created using Bryce, for illustrating the wikipedia article on metaballs.
<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:SharkD" class="mw-redirect" title="User:SharkD">SharkD</a> (<a href="//commons.wikimedia.org/wiki/User_talk:SharkD" class="mw-redirect" title="User talk:SharkD"><span class="signature-talk">talk</span></a>)</li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball1.jpg" title="File:Metaball1.jpg">Metaball1.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:PureCore&amp;action=edit&amp;redlink=1" class="new" title="User:PureCore (page does not exist)">PureCore</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball2.jpg" title="File:Metaball2.jpg">Metaball2.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:PureCore&amp;action=edit&amp;redlink=1" class="new" title="User:PureCore (page does not exist)">PureCore</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball3.jpg" title="File:Metaball3.jpg">Metaball3.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:PureCore&amp;action=edit&amp;redlink=1" class="new" title="User:PureCore (page does not exist)">PureCore</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball4.jpg" title="File:Metaball4.jpg">Metaball4.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:PureCore&amp;action=edit&amp;redlink=1" class="new" title="User:PureCore (page does not exist)">PureCore</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball5.jpg" title="File:Metaball5.jpg">Metaball5.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:PureCore&amp;action=edit&amp;redlink=1" class="new" title="User:PureCore (page does not exist)">PureCore</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball7.jpg" title="File:Metaball7.jpg">Metaball7.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:PureCore&amp;action=edit&amp;redlink=1" class="new" title="User:PureCore (page does not exist)">PureCore</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball8.jpg" title="File:Metaball8.jpg">Metaball8.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:PureCore&amp;action=edit&amp;redlink=1" class="new" title="User:PureCore (page does not exist)">PureCore</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball9.jpg" title="File:Metaball9.jpg">Metaball9.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:PureCore&amp;action=edit&amp;redlink=1" class="new" title="User:PureCore (page does not exist)">PureCore</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball10.jpg" title="File:Metaball10.jpg">Metaball10.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:PureCore&amp;action=edit&amp;redlink=1" class="new" title="User:PureCore (page does not exist)">PureCore</a></li></ul>
CC BY-SA 3.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:Metaball1.jpg" title="File:Metaball1.jpg">Metaball1.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball2.jpg" title="File:Metaball2.jpg">Metaball2.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball3.jpg" title="File:Metaball3.jpg">Metaball3.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball4.jpg" title="File:Metaball4.jpg">Metaball4.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball5.jpg" title="File:Metaball5.jpg">Metaball5.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball7.jpg" title="File:Metaball7.jpg">Metaball7.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball8.jpg" title="File:Metaball8.jpg">Metaball8.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball9.jpg" title="File:Metaball9.jpg">Metaball9.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Metaball10.jpg" title="File:Metaball10.jpg">Metaball10.jpg</a></li></ul>