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Default Klein Bottle (Navigation on weird worlds)

Gilligan wrote:

Any Mobius strip you can build has two surfaces, not one. Don't
forget to include the edge (which interestingly it has only one).


But who's counting?

If you call the edge a surface, sure it's got two surfaces. If it's an edge
and not a surface than it only has one surface.

--
Roger Long



 
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