Another non-orientable surface similar to the Möbius strip is the Klein Bottle. Just as the Möbius strip is a rectangular slip of paper made into a loop with a half twist, a Klein Bottle is a cylinder made into a tube with a half twist.

However, the depiction of the Klein Bottle isn't accurate, since a true Klein bottle doesn't make a hole when it passes through itself. A real Klein Bottle can only be made in the fourth dimension.

Click here for more information on the Klein Bottle.

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