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This DIY mask is a possible alternative to a surgical mask. It is 3D printable, conforms to the contour of the face and has interchangeable filters. The instructions manual, DXF and STL files have been uploaded. Please share with everyone freely. If you know of someone who needs a mask, consider printing this for him.
This article was first featured at https://ift.tt/2SCgZv3 on February 17, 2020 at 03:10AM by funmun
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