Mask with filter
thingiverse
Face Mask with Interchangeable Filter This is a revised take on: https://www.3dwasp.com/mascherina-stampata-3d-da-scansione-3d/ and https://cults3d.com/fr/mod%C3%A8le-3d/outil/masque-de-protection-covid-19-ffp2 Use copper-based filament for enhanced protection, preferably nano copper filament or standard copper filament for the filter component. The design allows for the easy addition of filters with a 40 mm diameter. This is the initial version; future updates are planned. Feel free to modify and remix this design.
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