Finite-element analysis (FEA) lets engineers at Alliance Spacesystems Inc. (ASI) of Pasadena, Calif., build a lightweight, yet strong, robotic arm for NASA's "Spirit" Mars rover. By testing the arm ...
[Petar Crnjak]’s Faze4 is a open source robotic arm with 3D printable parts, inspired in part by the design of industrial robot arms. In particular, [Petar] aimed to hide wiring and cables inside the ...