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A Sew-Free Origami Mask for Improvised Respiratory Protection

Realmuto, J.; Kleinman, M. T.; Sanger, T.; Lawler, M. J.; Smith, J. N.

2020-09-29 occupational and environmental health Community evaluation
10.1101/2020.09.29.20204115 medRxiv
Show abstract

Recently, respiratory aerosols with diameters smaller than 100 {micro}m have been confirmed as important vectors for the spread of SARS-CoV-2. While cloth masks afford some protection for larger ballistic droplets, they are typically inefficient at filtering these aerosols and require specialized fabrication devices to produce. We describe a fabrication technique that makes use of a folding procedure (origami) to transform a filtration material into a mask. These origami masks can be fabricated by non-experts at minimal cost and effort, provide adequate filtration efficiencies, and are easily scaled to different facial sizes. Using a mannequin fit test simulator, we demonstrate that these masks can provide optimal filtration efficiency and ease of breathing with minimal leakage. Because this mask provides greater comfort compared to commercial alternatives, it is likely to promote greater mask wearing tolerance and acceptance.

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"Similar papers" are the closest papers from that journal in the model's embedding space. They show what the match is built on, but the ranking comes mostly from a classifier over the whole training set, not from these examples alone.