Japanese Folded Mask
The mask design I use relies on folding and pressing the fabric like origami. A cross section at the white dotted line shows a folding pattern shown below.
Cross section of the mask. Black line below shows view from mask center shown above in white.
When worn, the center pleat opens up so that area highlighted in pink shows. Area in white is the part of the mask you see when folded and ready to put on.
Adult Fitted Mask
This mask is designed to fit most adults and is 8 inches wide with nose wire and filter pocket. It comes with 36 inches of elastic and can be worn over the head, or easily converted to two ear elastic connection.