Interactive Display of two Tennis-ball / Baseball Curves in 3D

With timed transparency of octants

Explanations: Game ball design as holding insight relevant to global governance? (2020) and Non-linear pathways curving between octants

Access to related displays: With general commentary and technical note
NB: Many alternative ring diameters, colours, rates and directions of movement can be envisaged.

Controls: Use cursor to rotate the configuration.
Wireframe checkbox may show internal dynamics; after clicking on image, zooming in/out is possible with right button and cursor; switch viewpoint with PgUp, PgDn; A to reset