Representations of Compact Surfaces in 3-d:  

Klein Bottle
Standard Figure 8 Crosshandle

Note the figure 8's strong similarity to the Mobius Strip:
backindexnext


DISCLAIMER: THIS PAGE IS NOT A PUBLICATION OF THE GEORGIA INSTITUTE OF TECHNOLOGY AND THE GEORGIA INSTITUTE OF TECHNOLOGY HAS NOT EDITED OR EXAMINED THE CONTENT. THE AUTHOR(S) OF THE PAGE ARE SOLELY RESPONSIBLE FOR THE CONTENT.