<a href="https://en.wikipedia.org/wiki/Alexander_horned_sphere" class="extiw" title="w:Alexander horned sphere">Alexander horned sphere</a>, rendered with POV-Ray. (code at <a href="//commons.wikimedia.org/wiki/User_talk:BernardH~commonswiki" title="User talk:BernardH~commonswiki">User_talk:BernardH~commonswiki</a>)
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:BernardH~commonswiki" title="User:BernardH~commonswiki">BernardH~commonswiki</a> assumed (based on copyright claims).
22 October 2006 (original upload date)
No machine-readable source provided. Own work assumed (based on copyright claims).