Initially inspired by the efforts to create the Prusa face shield, I've created a face shield with additional protection for use with standard A4 acetate (punched with a standard hole punch) and 1-inch wide elastic tape (33cm cut is about right).
Standard PLA is the best filament and print time is about 3 1/2 hours.
The gcode file uses standard PLA and takes about 3 1/2 hours.
The author hasn't provided the model origin yet.