3D model of gianfranco
The models were repaired and checked for printability.
A new optimized version of gyroscopic keyring with 6 rings, rotating freely in any
...Zeig mehr 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.
https://www.youtube.com/channel/UC_QHgR5t29GzLzujpsWeNjg