In all of the LittleArm versions the main mechanical components are 3D printed, and driven by 3 servos ... The gripper tips also feature a simple “cutout” that allow it more easily grasp ...
The degree to which you can tolerate this mess will vary, but for [EmGi], even a moderately untidy pile of bolts was enough to spur this entirely 3D-printed mechanical bolt sorter. The elements of ...