You can set following values:
- nuts or round objects (bearings, coins, etc..) as satellites
- number of arms
- different sizes
Set these values in the Customizer and print the .stl file.
The Fidget Spinner Caps in the picture are also customizable: https://www.thingiverse.com/thing:2375961
Customize and download this 3D Model on: https://www.thingiverse.com/thing:2369135