DIY Respirator Face Mask
thingiverse
This is a remix of https://3dprint.nih.gov/discover/3dpx-013429. Print the body in resin, ensuring FDM's pores between lines don't allow virus-carrying particles to pass through. If you must use FDM, seal the mask well to prevent leakage. Resize as needed for a snug fit; foam weather stripping increases quality and seal. For filtration, I'm using 3 layers of MERV 12 air conditioning filter, which provides 90% capture of virus-carrying particles. A layer of cotton fabric also prevents fibers from being inhaled that might be dislodged from the filter.
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