Free, downloadable patterns and instructions for facemasks that have an insertable filter.
Fabric: 100% cotton fabric, think quilting material. You can use 12″ fat quarters and cut through several pieces of fabric at once, like the ones here.
Filter: If creating the filter insert option, can use HEPA filter vacuum bags cut to size.
Bias tape: fold on itself so that raw edges are not exposed. Sew down the middle to reinforce. Need 36″ each side of mask (i.e. 72″ per mask total)
Shoelaces: make great ties because they are durable. You can buy in bulk, here.
Make your own out of fabric: Can take a 36″ yard fabric, cut into 2 inch wide strips. Fold raw edges inward so they’re touching. Fold again so that raw edges are concealed. Press and sew down center to reinforce. See below.
MASK WITH FILTER INSERT
Here are instructions for creating the mask with option for filter insert. This mask takes significantly longer to make than the one without insert (scroll down for these instructions).
Cut and assemble your pieces
2. Create a finished edge for the inside lining pocket where the filter will go.
3. Attach the lining to the outside (fish patterned) piece.
4. Create the pocket for the strap to feed through.
5. Reinforce your straps and attach to the mask.
MASK WITHOUT FILTER INSERT
This mask is two pieces of fabric thick and does not contain a removable filter. It is significantly faster to make than the previous version.
For this version you will only need the outside (patterned) fabric, and the larger duo of lining fabric.
Follow the directions above (sew curved sides together under #1).
Now go to step #4 in the above directions to finish it off by adding the straps. Voila!