This is a print in place spinning googly eye. It has a rather steep overhang, so your printer will need to be tuned up well. I did my test prints on a PrusaXL in black and white PLA.

You may need to press on the spinner back after removing from the printer to release it. Alternatively, printing the spinner out of PETG will ensure that the eyeball never sticks.

The eye is 1.5in in diameter, but you can scale it up until the overhangs become an issue.

To affix the googly eye, I used double sided mounting tape trimmed into little coin shapes.