Have you been looking rather sadly at your plastic pinny and face mask wondering how it could possibly protect you? One man thought he could fix that problem; Josef Prusa, the founder of a 3D printing company, Prusa Printers.

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After an intensive weekend of designing and prototyping, his team had created a model that could be distributed to health care workers around the world within days.

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3D printers allow you to bring computer modelled objects into the real world and make anything you can envisage. Josef had his face shield uploaded to the internet as an open source design and it could be printed and distributed globally within hours. What is a 3D printer? Looking a little like a sewing machine, a giant spool of plastic thread feeds into a heated nozzle which dances across a plate in 3 dimensions, laying the molten plastic down to form the object. […]

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