The file 'HEPA Compatible Face Mask With Active Filter 3D Printer Model' is (skp,stl) file type, size is 1.5MB.
A remix of https://www.thingiverse.com/thing:4222563
It's a little taller so that it's easier to adapt it to your own face. To do this:
Optionally, put silicone sealant around it.
The filter is designed to hold a 5V or 12V 50mm fan to help with breathing.
Instructions on how to make the filter "cartridge" can be found at https://imgur.com/gallery/l01Za8E
If you want to see my other work, check out https://robots-everywhere.com/
hepa_size_mask_with_fan.skp | 1.6MB | |
hepa_size_mask_with_fan.stl | 3.3MB |