Is there a reason to do this?
#22
Super Member
Join Date: May 2011
Location: Pacific NW
Posts: 9,585
I've seen Alex Anderson and others press the seam to "set the thread", the explanation is as others have said. I tried it and didn't think it made enough of a difference to keep doing it.
#23
Super Member
Join Date: May 2007
Location: NE Pa.
Posts: 1,738
Like Peckish said, poly thread does not melt. We had a discussion of thread melting in our quilt group. So I took samples of all my diff threads I had on hand and put them in my microwave and turned it on high. Not one of them changed or melted
#24
Super Member
Join Date: Sep 2010
Location: Delaware
Posts: 1,045
Setting the seam allows the cotton fabric to relax the fibers before pressing the seams, either to one side or open. Allowing for sewing threads tensions to adjust a fraction making them lay flatter. The difference is, if not microscopic, then at least very slight. But it does make a difference. Press seams open or to one side; set seams or not, it's a personal choice.
#26
For small seams, I don't think there is much difference. However, I find it makes pressing the seam allowance on long strips. The fabric is pre warmed and more pliable. This allows you to keep a crisp seam line. IMHO
#27
Super Member
Join Date: Dec 2012
Posts: 1,857
I think this is one of the 'old ways' of doing things. You can do it or not. I think one thing it can do is to help make sure your piece is flat before you pull it to press and maybe help to not have a tiny fold over. But, if you watch a 'pro' video you will notice that they often forget to do this extra step!
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BellaBoo
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05-03-2010 07:30 PM