valve and mask
thingiverse
Watch this instructional video at https://www.youtube.com/watch?v=pigee_GYYPM.
Download Model from thingiverse
With this file you will be able to print valve and mask with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on valve and mask.