3D Printed Mask Frames Improve the Inward Protection Efficiency of a Cloth Mask | ACS ES&T Engineering
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Custom-made 3D-printed face masks in case of pandemic crisis situations with a lack of commercially available FFP2/3 masks - ScienceDirect
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As 3D printing of protective gear ramps up, a free mask designed in Seattle is the first of its kind to get federal approval | The Spokesman-Review
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ExOne uses its 3D printing binder technology to make reusable porous metal respirator filters - Make Parts Fast
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