a1 external wire rack bearing type without thread

New version a1 external wire rack snap-on type without thread The following accessories need to be printed Insert wire from above Model making is not easy. If you have more help and rewards, you can encourage my creation~ snap-on insertion https://makerworld.com/zh/models/848274#profileId-795756 https://makerworld.com/zh/models/878005#profileId-831469It is recommended to print the loose version of the internal bearing. You can use it to choose to shake or rotate, just like a video