A new optimized version of gyroscopic keyring with 6 rings, rotating freely in any direction and inseparable !! Gently move the rings if you want to relax !!! The external diameter is 4,5 cm. You can scale up by 5 % ( about 4,75 cm ) or 10% ( about 5 cm ). If you use brim, clean carefully the internal ring.

Have a look to my " Free the prisoner ! " 2, at https://www.thingiverse.com/thing:2425481 ( second photo ) " Free the prisoner " at https://www.thingiverse.com/thing:2423590 ( third photo ) " the blossoming flower keychain " ( fourth photo ) at https://www.thingiverse.com/thing:2384745 " The blossoming flower 2 " ( fifth photo ) at http://www.thingiverse.com/thing:2310167

and to other gyro and tele Keyrings

• gyroscopic " open-work " keyring collection - at http://www.thingiverse.com/thing:2148303 ( sixth photo )
• telescopic " open work " keyring 1 - at http://www.thingiverse.com/thing:2228378 "supergyroscopic relaxing keyring - 8 rings", at http://www.thingiverse.com/thing:2067014 “gyroscopic keyring 11”, at http://www.thingiverse.com/thing:1225044 “gyroscopic keyring with flower 2”, at http://www.thingiverse.com/thing:1149171 “gyroscopic keyring with flower ”, at http://www.thingiverse.com/thing:1091961 “gyroscopic keyring with Thingummies”, at http://www.thingiverse.com/thing:879393 “gyroscopic keyring 2”, at http://www.thingiverse.com/thing:644217 and in the collection " My gyroscopic keyrings " http://www.thingiverse.com/gianfranco/collections/my-gyroscopic-keyrings

Have you seen my small lights ? Look at the collection " My small lights collection " at http://www.thingiverse.com/gianfranco/collections/my-small-lights-collection