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There seems to be some confusion about sewing an inside seam to an outside seam, without puckering one side or the other. I’m posting this, to help all of those people I’ve talked to, who have this question.

I’m sure this subject matter has been treated elsewhere, but my students say they have never seen it. So they all suggested I post it as a blog.

I’m using the front section of a bustier as my example here, because this was the class where the question of sewing princess seams came up.

First, some explanation about the phrases “inside curve” and “outside curve”: In the photo shown, there is the center panel of the princess bodice, and the two side panels. Look at the bust area of the side panels, and compare them to the bust area of the center panel. In this case, the curve…

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