PLoS Biol. 2022 May 20;20(5):e3001658. doi: 10.1371/journal.pbio.3001658. Online ahead of print.
Free and open-source hardware, 3D printing, and the use of locally sourced materials can be valuable tools for local problem solving, as proven by the production of more than 400 reusable face shields and masks in a Nigerian community to bypass PPE shortages during the COVID-19 pandemic.