Remixed shield with closed top and hole for USA standard punch. Also longer arms to eliminate need for elastic.
Added clips for N95 face mask tie. reduced height except forehead pad.
Printing at 150% gets you to 1 hr 10 min.
V12 ADDS "PETG" to the model for material ID purposes. ONLY USE WITH PETG!
V14 is a version optimized for a 0.6MM nozzle and prints in <50 min at 150%
V17 Adds side clips to hold edges of transparency sheet
The author hasn't provided the model origin yet.