Filter Shield for BEmask: Accessory for a COVID-19 PPE Face Mask

thingiverse

The BEmask is designed to supplement the supply of Personal Protective Equipment (PPE) that often has limited availability during the COVID-19 Pandemic Crisis. The 3D printed face mask is reusable after cleaning with replaceable filters that should be discarded once they are exposed to potential infectious environments. First responders commonly wear a secondary filter mask on top of the main protective device to protect the aerosol filter from liquid droplets that may be contaminated and propelled through the air. The Shield for a BEmask protects the filter inside the mask from such contamination. The BEmask is preferably 3D printed from flexible TPU filament for maximum comfort and sealing against the user's face. However, the frame that seals the filter into the flexible mask is printed with rigid filament such as PLA to provide a reliably tight fit with the flexible mask. Similarly, the shield should be printed with rigid filament for the same reason. The shield simply snaps onto the front of the mask and is held in place by friction. Design files for the BEmask are provided at the following sites: Thingiverse: https://www.thingiverse.com/thing:4268466 YouMagine: https://www.youmagine.com/designs/becmv1-buffalo-e-nable-crisis-mask