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 ...

The system's hybrid design is a first for robotic hands, which have typically been too rigid or too soft to replicate a human's touch when handling objects of varying textures and materials. The ...

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.