I will present you...world 1st 3D printable - Nose miniMask (filter)
(Reduces snoring, dry mouth and morning tiredness) specially designed to improve nasal breathing while working or sleeping + prevent bad smells :-)
This mask will increase the amount AIR to your lungs... (with better breathing you get more oxygen for your muscles)
Extremely simle but effective for preventing stress and allergy...difficult to breathe can lead to stress, allergy & poor sleep...
designed for Astronauts by Medelis
Enjoy and happy printing...
(NO support or rafts required) use ONLY flexible filament