Fidget Fob

I was looking for a small silent fidget. One without clicky buttons or switches, but I couldn't find exactly what I wanted. So I designed this.
The fidget has an indentation on one side for rubbing with your thumb. It also has a built in bearing so that the fidget can be spun, swung and flicked. It is also a nice size to fit discretely into your hand. It also prints as a single piece.
This is not designed to be a spinner as such and it is unweighted and unbalanced.
The printed texture feels OK, but I prefer the fidget after it has been sanded smooth.

The second version includes an embedded keyring so that the fidget can be clipped onto a key-ring. To embed the ring set your printer to pause at 6.4mm and drop the ring in. The small block printed along with the fidget will keep the ring flat as the top prints.
It will accommodate a ring with an ID of 20mm and OD of 26mm. I have included the 123d file if you need to tweak the ring size.

There are two versions as some of my fila