An additional exhalation valve for the homemade masks.Rubber diaphragm is cut from the inflatable balloon and glued on the elevated part in the middle of valve body.
04/05/2020
Added different grid patterns (no supports) and version of cover with no supports.
Now you don't need supports.
Added stencil for hole with the middle point
04/09/2020
Added press fit version for fabric masks. You can use a drop of glue depending on the fabric thickness and the printer's calibration
03/06/2021
Added classic look cover
| Cat_1.stl | 3.2MB | |
| Classic_look.stl | 1.9MB | |
| Cover.stl | 1.7MB | |
| Cover_no_supports.stl | 10.4MB | |
| Covid.stl | 3.5MB | |
| Gasmask.stl | 3.2MB | |
| Hole_stencil.stl | 56.3KB | |
| Paw.stl | 2.9MB | |
| press_fit_valve.stl | 13.6MB | |
| Radioactive.stl | 2.8MB | |
| Rubber_stencil.stl | 28.2KB | |
| Stencil_middle_point.stl | 108.7KB | |
| Valve_body.stl | 1.5MB |
