Covid Mask

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The set features two types of elastic TPU breathing masks that can be adapted to fit any flat filter material using different filter holder caps. Each mask has a lip seal on the face side and an exhaust valve that releases humidity, ensuring users breathe easily. These masks were printed with a standard 3D printer and TPU material, utilizing nozzle sizes ranging from 0.4mm to 0.8mm for optimal results. Additionally, print parameters were modified to accommodate TPU, including setting the filament flow rate to 120% for smoother printing. The scalability of the masks allows users to adjust them for a better fit by scaling the filter holder and valve simultaneously. This ensures a snugger seal around the face. For cleaning, the TPU masks can be submerged in boiling hot water or washed in a dishwasher to desinfect them.