For what it's worth, this design has been vetted by health care professionals and provides better coverage, as well as being faster and easier to print. https:

For what it's worth, this design has been vetted by health care professionals and provides better coverage, as well as being faster and easier to print. https://github.com/aon3d/covid-face-shield https://github.com/aon3d/covid-face-shield Full disclosure: I work for Aon3d.