A little remix of Prusa face-shield and a redesign found on a blog, bowth link here:

-https://www.prusaprinters.org/prints/25857-prusa-face-shield

-https://dima.fi/blog/designs/covid19-face-shield/?fbclid=IwAR3voSI_HX6L5VurEptjxxL0GUOQiWONkIHuVyyPBxTVAPYJvjwNwOIgklg

Optimized to use a wide rubber band and clear A4 or Letter-sized sheet.