it is a ball holder —

Founded it is a ball holder models & stl files for printing
Kant Twist Clamp
DonTheMaker
Lady Loki Cat Ears
Brennamcc
LVT A4 easy print
WindhamGraves
Yodapus
jobro4518
Cube Stand Display
spradlinb
Spray Gun
Asraff
Wash Hanger bracket
Tommie Rönnblad
Shuttle Bobbin
angrycider
Josef Prusa Cookie Cutter
An_Amazing_Username