also: メービウスのおび
noun
Möbius strip
A one-sided surface formed by twisting a strip and joining the ends. Used in mathematics and topology.
メビウスの帯は、表と裏の区別がない不思議な図形です。
The Möbius strip is a curious shape with no distinction between front and back.
数学の授業でメビウスの帯を作ってみた。
I made a Möbius strip in math class.