3D printed mask with changeable filter

If you would like to support my channel, please leave me a tip:
https://www.paypal.me/techdayeveryday
Thank you for all small donations!

Do you need cheap 3d print? Please visit my website! Cheap and fast international shipping ( all continents).
http://www.techdayeveryday.com.pl/

Used mask:
https://www.thingiverse.com/thing:4225667

Used belt + clasp:
https://www.thingiverse.com/thing:4239294

Filter:
You can use filter 4 x4 x 1 cm

Видео 3D printed mask with changeable filter канала TechDayEveryDay