Build your own face shield
The prototype 3-D face shield was developed by Prusa Research a.s.. The design of the shield is fully open-source - anyone can produce it and/or modify it. The shields are made from accessible and inexpensive materials.
Use the link below for manufacturing and production information in producing the Prusa face shield.
https://www.prusaprinters.org/prints/25857-prusa-protective-face-shield-rc2