This is a Mount for my UAMS project that allows you to mount an arm onto a flat surface such as a tabletop or wall.

UAMS Files: https://cults3d.com/en/3d-model/tool/uams-universal-arm-mounting-system

UAMS Instructable (with instructions for this mount, and other mounts): https://www.instructables.com/UAMS-Universal-Arm-Mounting-System/