Surfaces

See also Fundamental polygon.

Möbius strip

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  Parametric plot of the Möbius strip (1)
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  Parametric plot of the Möbius strip (2)
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  Paper model of the Möbius strip
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  Construction of a Möbius strip using identification
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  Möbius strip deformed so that its boundary is a circle.
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  Drawing of a typical Möbius strip. By Toobaz
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  Drawing of an atypical Möbius strip: the strip is twisted by 540°, not 180°. By Toobaz
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  A Moebius Ring in 3D

Klein bottle

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  Standard immersion of the Klein bottle
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  Standard Klein bottle in SVG version
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  Standard immersion of the Klein bottle (cut-away)
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  Figure-eight immersion of the Klein bottle
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  Figure-eight immersion of the Klein bottle (cut-away)

Folding a rectangle into a Klein bottle.

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