Instead of a ring-shaped tokamak with magnetic confinement, the thought came: why not a 1-dimensional Möbius strip?

After a brief bit of web searching, it turns out that the design exists, and it's called a Stellarator:

https://en.wikipedia.org/wiki/Stellarator

And if you're ever thinking about building one at home, just try not to cause an accident. What's more dangerous than playing with fire? Playing with smoke detectors.