You can print a working mask using both PLA or ABS filament, but then you'll need to change the surface of the printed model in order to reduce the risk of cont

You can print a working mask using both PLA or ABS filament, but then you'll need to change the surface of the printed model in order to reduce the risk of contamination. Here you can find a range of breathing mask 3D printable models: https://top3dshop.com/3d-model-finder/?q=breathing%20mask%20with%20screw%20in%20filters https://top3dshop.com/3d-model-finder/?q=breathing%20mask%20... This video includes a good tutorial on how to 3D print, assembly and finish a working breathing mask. I strongly suggest watching it: https://www.youtube.com/watch?v=77PgC3kMrFs&feature=youtu.be https://www.youtube.com/watch?v=77PgC3kMrFs&feature=youtu.be