Teenager builds advanced robot hand entirely from Lego pieces
Jared Lepora, a student at Bristol Grammar School, UK, began developing the hand when he was 14 with his father, Nathan Lepora, who works at the University of Bristol.
The four-fingered robotic hand can push, pull and grip with almost as much force as a leading 3D-printed hand. The hand is driven by two motors using tendons, and each of its four fingers has three joints. A differential made from Lego clutch gears links the digits so they move together until they touch an object, then stop moving, similar to how humans grasp objects.
In tests, the Lego hand successfully grasped nine household items, including a plastic cup and bowl, as well as a soft toy weighing 0.8 kilograms.
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