It is assemble of M9 Knife which you can spin around your finger.You need to stick all components between.
You can print ring for rotating by resin using Spinner 1 V2 and Spinner 2 V2 .stl files.
Or you can print parts Spinner 1 - 0.5 and Spinner 2 - 0.5 for ball bearing 6703ZZ that you can push inside.