To understand how this device works, the team used computer models and 3D printing. The prosthesis can be printed by everyone and made of plastic to investigate. But in the first show, the mechanism was broken in Birmingham. He made the team think: the reason – in the model or how they behave? The engineers found that people attracted a lot of arm.
They changed the design a little and recorded a video instruction. A week later, the students successfully tested a new version without malfunction.
Source: Ferra

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