COVID-19 Face Mask

Introduction:
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This is a "remix" design of lafactoria3d's Covid-19-mask https://www.thingiverse.com/thing:4225667 where you can find the face mask STL file. I made some changes to make it easier to manufacture and faster to print. I eliminated the Cap and Grid and made some "retainers" to hold the filters in place.

This mask seems to be the best solution that I've come across so far, it fits comfortably on the face, is easy to breathe, and the filter is optimum.

There are a lot of comments about how porous the masks are and about the limitations of the filters but these are better than nothing in my opinion, and in my Doctor's opinion. My doctor has tried these masks and she said they are better than the ones she gets from the hospital. Because of shortages and long shipping times, I have made these masks as simple as possible, you just need PLA, cloth, paper towel (or some sort of paper filter), elastic bands, and wire ties (which can be optional but make it e