August Ferdinand Mobius *

http://en.wikipedia.org/wiki/August_Ferdinand_Mobius
http://www.encyclopedia.com/doc/1G2-3407500199.html

_ Möbius-Band
http://youtu.be/21qgxixi3Dw
_ Twin Rail Mobius pendant with balls! - 3D printed
http://youtu.be/guTSrF7J6Y0

http://www.dilbert.com/strips/comic/2013-11-16/