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The Klein Bottle & Variants

One for Household Use
©1994 Nathaniel Hellerstein, Ph.D.

Note the double-cone at the Klein bottle's center:
Any Klein bottle in 3-dimensional space must pass through itself somewhere.
The Klein bottle comes in many topologically equivalent forms.

Möbius Bag: A Klein Bottle for Household Use

Contents of this page are ©1996 Nathaniel Hellerstein. Dr. Hellerstein can be reached through:
Meru Foundation, 524 San Anselmo Ave. #214, San Anselmo, CA 94960.
Email inquiries to: