Website: thingiverse
Author: gianfranco
Price: Free Download
File format: .Stl 3d printable
Description:
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