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One of the biggest problems that health care workers have with the current COVID-19 coronavirus pandemic is the severe lack of PPE. 3D printing has helped with some items like face shields. One of the biggest shortages is with N95 masks. These masks have special, high-quality filters that simply cannot be 3D printed. While 3D printing cannot make N95 masks, it can be used in part to build an UV light box that can help to disinfect/sterilize used masks and make them safer to reuse. I built such a device and gave it to my local hospital. I've documented the build process here in this video tutorial! I've made the 3D printable files for the N95 mask holder available and free for download. Materials for this build (As an Amazon Associate, we earn from qualifying purchases, thanks for your support!) UV Lamps: 14" UV germicidal lamp (may be sold out): Alternative 60W LED UV lamp w standard E26/E27 socket: Another alternative 60W UV LED lamp : E26/E27 light socket (needed for 60W lamps): Other supplies: Brinks digital timer Heavy Duty aluminum foil Gorilla glue Machine screws and nuts (use #6) Washer set Adhesive velcro-type tape Hook and loop cable ties Large cardboard boxes Packing tape White spray paint Silver spray paint Please consider making a similar box for your local health care facility that is battling coronavirus! Disclaimer: Nothing in the video should be interpreted as medical advice. This isn't an FDA-approved method of sterilizing or disinfecting medical equipment. Use appropriate care when working with UV light.