Aidan often stops by on Adafruit Show & Tell and shares his latest progress on soft robotics. He recently shared his simple robotic gripper using a continuous micro servo and nylon thread that can be used to pick up various objects.
This is a 3D printable soft robotic gripper that functions very similarly to a human’s fingers. It combines rigid and soft materials to articulate in a bending motion.
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There are some distinct advantages for this type of design (compliance, simplicity, etc), but also some drawbacks (bad pose estimation on fingers, etc).
There’s actually a long precedent for this type of multi-material, tendon-driven robot hands. Back in 2009, I took a look at a few of them: http://www.hizook.com/blog/2009/11/15/building-robot-hands-compliant-under-actuated-fingers
There are some distinct advantages for this type of design (compliance, simplicity, etc), but also some drawbacks (bad pose estimation on fingers, etc).