3d mask template - the most comfortable face mask - see ...
Add a filter to the 3D mask. To add a filter pocket to the 3D mask, cut 1 filter pocket piece on a fold of your fabric. Fold and press under 1/4″ TWICE on both long sides of the fabric. Sew. Press in half with wrong sides facing. Pin at the top of one of your mask pieces. Pin at the bottom as well.