This is a 3-Layer Mask with Adjustable Straps that uses Lightweight Cotton Muslin. This design is based on the Vera Wang Pleated Mask pattern as previously posted here with a tutorial. I liked the design and construction of the Vera Wang version but I didn’t like the fit. So I modified it to suit my needs. I have added adjustable straps and converted the pattern to a 3-Layer Mask. Mask pattern by Vera Wang.

Adjustable Strap Design by OMG! Heart. Strap design is free for publication or commercial use as long as it includes a credit to OmgHeart.com.

Materials
Lightweight Cotton Muslin, 100% Cotton (3 8×8″ Squares)
1/4″-Wide Elastic Tape (2 10.5″ each)
Wire Tape (7″ optional)
Thread

Finished Size
Adult One Size
7.5″ x 3.75″, Pleated

Instructions

1. Cut

Cut 3 Squares 8″ x 8″ (fabric)
Cut 2 Elastics 10.5″ (for straps + loops)

2. Stack and Sew

Stack squares and sew beginning at bottom right corner and ending at top right corner.

Beginning at right edge, 2″ from bottom right corner, sew down until 1/4″ from edge.

Place first loop- Open top flap, place elastic loop between fabric. Align cut edge of elastic flush against fabric (right raw edge) and top seam. Backstitch in place. Continue sewing down to 1″ from edge of fabric.

Place first strap- Open top flap, place elastic strap between fabric. Align cut edge of elastic flush against fabric (right raw edge). Make sure elastic is 1/4″ from bottom raw edge. Backstitch in place.

Pivot, sew down to 1/4″ from next edge. Pivot.

Place second strap- Open top flap, place elastic strap between fabric. Align cut edge of elastic flush against fabric (right raw edge). Backstitch in place. Continue sewing down to 1″ from edge of fabric.

Place second loop- Open top flap, place elastic loop between fabric. Align cut edge of elastic flush against fabric (right raw edge). Make sure elastic is 1/4″ from bottom raw edge. Backstitch in place.

Pivot, sew down about 2″. Backstitch here leaving an unsewn gap (approx. 4″) to turn inside out.

Sew using a 1/4″ seam allowance.

3. Turn Inside Out

Turn inside out using gap. This should reveal the elastic straps and loops.
Before turning inside out, press back and fold unsewn seam, if desired.

4. Mark Pleats

With straps oriented at top and loops oriented at bottom, mark pleats along edges with elastic (left + right edges). 1 1/4-inch pleat, 3/4-inch gap. Mark 3 pleats.

5. Topstitch

With mask oriented as above, begin stitching in top left corner. Backstitch. I use a very slim seam allowance. Reinforce pleats with darts, if desired. Done!

This content was originally published here.

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