I wasn't clear; I meant some kind of reusable 3D mask, not cotton. I know nothing about 3D printing, so if you do you might want to search and see if what you

I wasn't clear; I meant some kind of reusable 3D mask, not cotton. I know nothing about 3D printing, so if you do you might want to search and see if what you find looks workable. I got many results that indicate it is possible.