How to make a PPE face mask
One post production adjustment is that you don't have to draw a line. It's just a 1/4'' seam allowance which is marked on most machines for you to follow. Also, the way the straps are added on in the video is for more experienced seamstresses. If you're not as advanced, or you just want to make this more quickly it's okay to just sew on the strap ties after you have made the whole mask.