He always wanted to construct a robotic ... arm out of aluminum. Once he had all six of his servos attached to the arm’s joints and wired to his Roboduino, he got busy constructing a 3D model ...

[Petar Crnjak]’s Faze4 is a open source robotic arm with 3D printable parts ... for more information on what they are and how they work.

Scientists in Australia have developed a flexible soft robotic arm that 3D-prints cells onto organs ... Footage shows the bot being inserted into a model rectum, whereupon it snakes its way ...