3D model of gianfranco
The models were repaired and checked for printability.
A new super version of gyroscopic keyring with 8 ( ! ) rings, rotating freely in any
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direction and inseparable !!
Gently move the rings if you want to relax !!!
The external diameter is 7 cm.
The rings design is completely new.
Printed without brim.
https://www.youtube.com/channel/UC_QHgR5t29GzLzujpsWeNjg
