This is a 3D printable face shield which uses an overhead transparency with standard 3-hole spacing as the clear shield. A rubber tourniquet is used for the headband.
The clear screen, the most heavily contaminated portion, can be replaced after use and the plastic frame can be disinfected and reused.
Using PLA filament, a single frame takes 2 hours 16 minutes to print on a Prusa i3 MK3S. It uses 23.6g of filament costing about 50 cents.
|1. Three hole punch the long edge of the overhead transparency.|
|2. Tuck one corner under the tab. Place each hole of the transparency over peg starting with the tucked corner and continuing to the opposite side. (White paper is shown here for visibility.)|
|3. Tuck the last corner under the tab.|
|4. Place a square of tape over the tab and transparency to secure it in place. Repeat on opposite side.|
|5. Mark hole locations on the rubber tourniquet. All holes are 1 cm long and the spacing between the holes is labeled in white.|
|6. Fold tourniquet in half and cut a 1cm slit at each marked location. (only cut 0.5cm since the tourniquet is folded in half.)|
|7. Attach inside hole of the tourniquet over the hook first.|
|8. Fold the tourniquet back over itself and attach the outside hole over the same hook. (This provides a more secure connection than attaching through one hole per side.) Repeat for the other side of the tourniquet.|