How to Make 3 Layer Face Masks according to WHO (+ Patterns)
Aug 05, 2020·Create a normal 2 layer face mask with a filter pocket. Whatever you place inside the pocket will be the 3rd layer. Create a mask with 3 permanent layers. As mentioned above, I haven’t seen WHO endorse a specific sewing pattern. I’m going to share mask designs that fit closely around the nose, cheeks, and chin, as they suggest.