it is a ball holder —

Founded it is a ball holder models & stl files for printing
Pipe holder dia 14mm
Jakub Šperl
18650 Holder
Janus Pannonius
Korg KROME
Charly BEGOOD
Tipi Spool holder
Michiel Haisma
Hobby file holder
loneman2mn
Egyptian cat pen holder
ICL 3D Modeling