Filter Mask TPU

Update
29/04/2020
I have uploaded the basic sketch of the mask for use in fusion360. This is just the basic simple sketch.

31/03/2020
If you are looking for a hard shell design I have this one. It can be printed in both PLA and TPU combined.
https://www.thingiverse.com/thing:4243998

17/03/2020 - 5
The different sized nose pieces were not a good option. I spent some time and came up with a small and large version, depending on which size mask you choose. The holes of these should be a little easier to fit over the pegs. Bending them is easy if you place them between your fingers and place the centre under some running hot water straight from the tap. As it softens just squeeze the two sides together to the desired spacing. You can make them tight as they will spread apart.

17/03/2020 - 4
I uploaded a slightly altered valve (Valve v3) that is a little thicker and a slightly larger diameter. I find that this model prints a little better than the original and provides a sl