Commercial flex sensors are pretty expensive, so he experimented with some homemade sensors ... too. For the robot hand, he used balsa wood and hinges for each joint. Flexible thread provided ...

A few unfortunates manage to do both at once. [MusaW]’s 3D Printed Quadruped Robot, on the other hand, moves in rapid motions that manage to look sharp and insect-like instead of unstable.

The innovation offers a promising solution for people with hand loss and could improve how robotic arms interact with their environment. Details about the device were published in the journal ...