Clever tooling for a 3d printed arm

I&rsquo;ve seen dozens and dozens of open source robotic arm projects; probably because of my own addiction to mechanical automatons paired with my unending desire (despite a lack of need) for a robotic arm of my own. This one caught my eye however as it has a particularly clever accessory method without the need to of a complex end effector tool changer. If they can route power/data control…