Before today, we’ve never mistaken a homemade robotic arm for one of the price-of-a-new-home robotic arms. Today, [Chris Annin] made us look twice when we watched the video of his six-axis ...

The result? A 3D-printed robotic arm he affectionately calls “ManiPilator.” This article is the first in a three-part series documenting [Leo]’s hands-on approach to learning robotics from ...