By folding along the curved-creases on the template any clear sheet material can be combined with a piece of elastic to create a face shield ... made require either a 3D printer for the head ...

The process only takes three steps – place template on sheet, cut and attach – and can be assembled quickly. Trying your hand at making the shield? You might also want to tackle these DIY face ...

clear plastic shield and elastic bands. Next came the task of mass production. A different model, using injection moulding, was considered. "We could 3D print about a thousand of these a week ...