6 model

Free

Arco Pentashield Bowden tube ball swivel feed-through

Printables

Free

Ball and Socket Locking swivel components

Thingiverse

Free

Generic Ball swivel mount

Thingiverse

Free

GoPro Swivel Ball - Universal Mount

Thingiverse

Free

PiCam Swivel Ball Mount

Thingiverse

Free

U20CAM-1080P Camera Mount with Ball Swivel

Printables