The Möbius Strip

A surface with one side

An interactive lesson with 6 steps, about 5 minutes: you predict, drag and solve, with instant feedback on every answer. It runs in your browser and needs JavaScript.

What you’ll learn

• A Möbius strip has one side and one edge.
• Cutting it down the middle leaves one long, two-sided loop.
• It’s non-orientable: travelling around it flips left and right.

Steps

1. Half a twist
2. Count the twists
3. One edge
4. Cut it in half
5. A full twist
6. Orientation