Roly Mamani, a Bolivian engineer, uses the money he makes from selling robotic toys to fund his project of 3D printing prostheses for indigenous compatriots. He has made over 400 prostheses since 2018, delivering them free of charge or at production cost. Mamani wants to set up a rehabilitation center to further improve his work.from Science News - Times of India https://ift.tt/v6pKjrs
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