Editing Step 17 —
Trim the front seam

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Using your scissors, trim along the front seam that you just sewed, leaving about 1/8" (3 mm) of material between the sewn line and the edge.

Diagonally trim a tiny bit of material from the bottom corner of the mask, as marked, being careful not to cut through any of the sewn seams.

Discard the scraps.

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