The Robot arm is a robotic arm that can rotate around itself in 180 degrees of freedom and can lean forward and backwards using two parallel joint links.
link 2 top view
Rotating part with mounted servo horn.
Link 1 - view
Overview to full Robot Arm
one side view with base opening for servo cables.
side view of full robot arm with motors
Full Arm - back view
side view of full robot arm with view of joints placements.