Distributed manufacturing: A case study in additive manufacturing face masks for the COVID-19 pandemic

•This research shows how small communities can be self-sufficient during shortages.•3D printing allows for rapid iteration of face mask designs during a pandemic.•Homeowner 3D printers are readily available to help offset supply chain issues.•Common HVAC filters can be adapted into face masks to fight the spread of viruses.•DIY silicone casting and 3D printing can make comfortable wearable devices.