COVID-19 (N95-Alternative) Mask

thingiverse

COVID-19 Mask (N95 Equivalent) This is a re-engineered design by Dr. C. Wiles Streamlined design for maximum efficiency Single size cover fits all face sizes Rubber bands secured in four corner stubs for added stability Filter clamped securely with rim bead and flange design Three sizes instead of six (large, medium, small) Halved wall thickness for flexibility and 40% reduced print time (suitable for nylon materials) MERV 13 filter material available at local home stores (Lowe's, HD) Elastic material in short supply; rubber bands around ears or printed rear head straps with rubber band connecting hooks work as a substitute Amazon links: https://www.amazon.com/dp/B01CR9JLDI?psc=1&ref=ppx_pop_dt_b_product_details https://www.amazon.com/dp/B00006IBRX?psc=1&ref=ppx_pop_dt_b_product_details https://www.amazon.com/dp/B003SBXO42?psc=1&ref=ppx_pop_dt_b_product_details FreeCAD files available for modification; change the curve fit of the mask around the nose, cheek, etc. to accommodate unique face sizes Three size options for simplicity Video tutorial available on YouTube channel PrintedRC https://www.youtube.com/watch?v=1keR1WJhAcs