In this model the string rotates along the sphere in one direction, in mine the string goes into 2 opposite directions, creating contrasting motion and opposite magnetic fields.
Images above by Dr. Gerd Pfister, University of Kiel Germany
The images below are simulations of random fractal called a - diffusion limited aggregate - it produces fern-like shapes that model lightning and other natural phenomena. Please have a look at the examples of the remarkable patterns produced by non-Euclidean limit sets, and compare them to my hypothesis of the flow of electricity at topic: Organisation of Flow - Electric Currency
Images are from Nina Hall's book: "The New Scientist" Guide to CHAOS