Gyroscopic keychains

Details:
- external diameter is 3.5 cm
- internal ball
- colored overlays
- rotatable anchor ring

Note: 
The model isn't horizontal, strongly recommend layer height about 0.1 mm.
You have to disassemble printed details in order to insert colored overlays for internal rings. Also you need a glue for it.
If a rotatable part is stucked a bit after printing, you could help it by use a knife.