You will need
- A3 paper
1. Cut your A3 paper into 4 strips.
2. Take two strips and glue them perpendicularly to make a cross.
3. Make a Möbius strip with each of the perpendicular strips.
4. Cut along the centre line of one Möbius strip until you get to where you started. Then cut along the other.
5. Be surprised.
You might also like…
- Ride a phantom parabola into our latest issue. Billiards, maths, tiles, mistakes, plus all your favourite regulars.
- Coffee, Brexit and badgers are among the topics of discussion in this issue's Dear Dirichlet advice column
- Mystic mug has some predictions for you...
- The definitive chart of the best Chalkdust regulars
- Your guide to creating the optimal homepage
- Fashion is fleeting, Chalkdust regulars are not.