GrandpaCADA parametric 3D-printable ball-and-socket friction mount for camera arms, phone mounts, and articulated lamp arms (RAM-mount style). Customize ball diameter (17 / 25 / 38 mm), socket jaw length, jaw count (2 / 3), tightening screw size (M5 / M6 / M8), mounting base (flat-plate / 1/4-20-female / AMPS-pattern), and tension knob toggle.
Part of the 3D Printable Parametric Hardware collection on GrandpaCAD.