The company hopes to make hundreds of thousands available over the next few weeks and said it will list them at a "significantly lower price," almost a third of the cost. It will also prioritize frontline workers.
The idea stems from Amazon engineers working with a 3D printing community group in Washington.
The shields are National Institutes of Health-approved and available via an open source license for 3D printing and injection molding.
Amazon has donated 10,000 face shields so far and will deliver another 20,000 in the coming weeks.