gyroscopic keyring 2

based on kind comments, an improved version of gyroscopic keyring : better eyelet and rings, optimized free space among rings.
Have a look at other gyro keychains at

• gyroscopic " open-work " keyring collection - at http://www.thingiverse.com/thing:2148303
  "supergyroscopic relaxing keyring - 8 rings", at http://www.thingiverse.com/thing:2067014
  “gyroscopic relaxing keyring – 6 rings”, at http://www.thingiverse.com/thing:1307100
  “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