http://faceshield.nu/ (redirects to)
https://3dverkstan.se/protective-visor/protective-visor-versions/
https://github.com/Cederb/Faceshield.nu/
https://www.youmagine.com/designs/protective-visor-by-3dverkstan
0.5 line width with a 0.4 nozzle
0.3 layerheight
7 perimeters (more than needed)
0.5 line width with a 0.4 nozzle
0.3 layerheight
7 perimeters (more than needed)
The author hasn't provided the model origin yet.