I made a spinner, too! And I have the feeling this is going to continue to be a popular project. I didn’t want to hijack anyone else’s threads, so I thought we should start a zoo. Feel free to share your spinners here.
I made mine out of some 1/4" King Starboard, and a few bearings I got from some skates I found on the street, using the Thingiverse plans linked in this thread:
Every time one of my kids’ friends see it, they want to play with it, but it’s slightly too large for their hands. Adjustments must be made.