Kerry O'Brine Womens Wear

Behind the seams

How to match up seams

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Matching seams

Obvious when you know how! When matching a straight edge to a straight edge (like a square cushion shape) it’s easy.  But if you are joining four points together or two different angles you need to remember that it is the seam allowance line that you are matching NOT the edge of the fabric.

I have drawn the seam allowance on the two pieces of fabric I am joining to demonstrate what I mean. When you are doing this yourself you can just measure and mark with a pin if necessary. I am working with 1cm seam allowance and a plain seam (match right sides of your pieces together as you would normally do).

Piece 1

Piece 2

 

 

 

 

 

 

 

 

 

The following picture is the incorrect way to lay piece 1 on piece 2. Although the fabric matches along the right hand side, if you sewed this the top right hand corner edge would not match up. Piece one would be shorter than piece 2 (underneath).

Incorrect seam allowance matching

 

 

 

 

 

 

 

 

The right way:

  • Place a pin at the point where the two seam allowance meet on your first piece of fabric (the top piece).

Pin at seam allowances meeting point

 

 

 

 

 

 

 

  • Next lay the first piece with the pin in it over piece 2. Match up the pin with the meeting point of the seam allowances on pieces 2 (i.e. where the seam lines cross)

 

 

  • This next picture is piece 1 on top of piece 2. The pin is going through the seam lines cross point on piece 1 and going through into piece 2 seam lines cross point.
  • The seam allowance line on piece 1 meets the farbic edge of piece 2 (underneath).
  • Pin your fabrics together in this positioin.

 

 

 

 

 

 

 

  • Sew the seam together. Start at the very top where the two fabric edges meet.
  • I have sewn the sample with black thread so you can see the stitching.
  • Now when you turn your piece out the right way you will see that the top edges of the two pieces line up perfectly.
  • Use this technique for beautifully matched up edges everytime!
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