Tuesday, August 21, 2018

Pattern Hack: Cut Off Those Seam Allowances

Two posts in one day. What am I thinking? Perhaps I'm not and that's why I'm taking the time to pontificate more than my usual amount. This pattern hack is simple, terrifying, but will make your clothing so much better. Cut the seam allowances off your pattern pieces. Just do it!

Modern patterns usually call for over large 5/8 inch seam allowances, which is way too big compared to the tiny seam allowances on original garments. Costume Up Close mentions that a study of seam allowances showed that most were somewhere between 1/8-3/8 inches depending on the garment. I split the difference and go with 1/4 inch. To achieve this, I trace the pattern piece, add the seam allowance, then cut.

If you are confident in your exactness of tracing, you could always trace each piece twice in opposite directions. The traced lines then become the stitching lines for the pattern pieces. Then all you have to do is guesstimate the seam allowance but cutting about 1/4 inch outside of the lines.

The other reason that I completely cut off the seam allowances is to accommodate making garments out of wool. Period wool garments typically have raw wool edges for the outside parts. Meaning, the broadcloth edge is not folded under like you would do with linen, cotton, or worsted. Why? It saves fabric and it shows off that your broadcloth is of a quality that it will not unravel. Trust me, nothing looks quite as sexy as a raw edged wool garment.

When using broadcloth with a raw edge, you have the added complexity of remembering which seams are part of the body and need a seam allowance, and which are the raw edges and do not. Trace twice, cut once.

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