March 16, 2020
Description
We are glad you can improve it to be better.
there are 3 parts,
sugest print eee333 and eee222 with PLA or PETG,
print eee111 with flexible
You need to insert filter paper between eee333 and eee222, and tie to hold the mask on your head.
Separate mouth and nose double ventilation breath.
Reduce fog on glass when you breath .
Amplify to 500%
License:
Creative Commons - Attribution
stronghero
