Möbius Strip
Interactions
- Drag to turn the model freely in 3-D; it eases back to hanging on its thread
- Tap the scissors to make the next cut now
- Tap the ant to send it round the band again
- Tap a strip on the desk to start again with 0, 1, 2 or 3 half-twists (three gives a trefoil knot when cut)