The seam allowance is the excess fabric that is added all around avery pattern piece, and that lies on the other side of the seams (inside the garment) once they are made. In our patterns, the seam allowance is 1cm/0.4” or 1,5cm/0.6” wide in most case. Some pattern designers include the seam allowances directly in the pattern design (that is what we do), some other designers prefer to exclude them, so you have to trace them by yourself around the pattern pieces on your fabric. Make sure you check which option is used when you are about to sew a garment from a sewing pattern. Also check the width of the seam allowance, as it depends on the pattermaker’s habits and country of origin.
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