Disclaimer:
There is no evidence to support the claims that a face-shield or any other device will aid in the prevention of Covid-19. Use at your own peril.
My new ultra-minimalist face shield design utilizes:
1 pair of eyewear
1 sheet of overhead projector transparency
4 zip-ties or twist-ties
3 grams of printed material
At current print speeds, I could theoretically produce 300 face shields every 100 hours with a material cost of ~$200 minus the eyewear.
One printer, 500 grams of filament, 5 days = 150 face shield kits.
I produced these for 90 BCIT Nursing students starting their practicums today. We’re not entirely sure how well they could work on the job, but these are designed for decentralized mass-production and distribution. If it keeps them and others safe in transit to work, it’s already worth the $12.50 in PLA…