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My teacher in Atlanta said to always use a 1/4 inch seam allowance for draping, but I found out it depends.
Mrs. Carter, my design instructor, was very firm about that specific measurement for all our muslin work. When I tried to drape a bias-cut skirt last month, that tight allowance just bunched up the fabric and ruined the line. I switched to a 3/8 inch allowance for that project and the drape fell perfectly. Has anyone else run into a 'rule' that only works for certain fabrics or garments?
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rileyellis6mo ago
That's interesting because a quarter inch is basically the standard for flat pattern making, not draping. Draping needs more flexibility. A bias cut like you did absolutely needs a bigger seam allowance, the fabric needs room to move. Even with a straight grain, a thicker wool would fight a tiny seam allowance. Teachers sometimes give one rule to keep things simple for beginners.
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simonl116mo ago
Yeah, the whole quarter inch thing falls apart with lace or mesh too. Those fabrics can't handle a tight seam. You almost need a half inch just to stop it from chewing up the edge in the machine. The rule really only works for basic, stable muslin.
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perez.patricia6mo ago
My first sewing teacher in Miami was the same way, she acted like a quarter inch was a holy number. I mean, I get it for a basic woven cotton, but I tried it on a silk charmeuse slip dress and it was a total mess. The fabric just kept slipping out of the seam. I had to go up to a half inch just to get it to stay put long enough to baste. It really does depend on what you're working with.
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