Gear Sphere puzzle (failed project)

This is a twisty puzzle. I'm not satisfied with, so I mark it as failed project. Now, I will not continue this project.

How it works:
rotate the color segment rings (independent). Flip the black and white halves.

What is the problem:
Gears jumps off sometimes. (change the bevel angle of the gears)
Colored rings stuck together sometimes. (make a support layer between (fixed to the black and white).
gear ratio is not good adjusted to segment size -> use 60 degree segments

how to make