http://3dprintedppe.com/
https://www.makersforcovid19.com/ (US)
https://makerforce.org/ (US)
https://masksfordocs.com/ (US)
http://ppeneeded.com (NL)
https://makervsvirus.org (DE, CH, AT)
https://www.coronavirusmakers.org (ES)
https://opensourcemedicalsupplies.org/ (US)
https://www.covid3d.fr/ (FR)
https://www.3dcrowd.uk/ (UK)
https://theppedrive.com/ (US)