tendon and muscle
3D-printed robotic hand has working tendons and muscles
A 3D printer that can produce complex systems of bendy and rigid materials, such as a robotic hand or an artificial heart, could be used to make more lifelike robots. Robert Katzschmann at the Swiss Federal Institute of Technology in Zurich and his colleagues have developed a 3D printer that can produce systems with intricate mixtures of rigid and soft components using a similar technology to inkjet printers, by building up microscopically thin layers of up to four different plastics at once, each with unique properties.
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