Tutorial: Curved Seam Piecing

I originally shared this post at Mama Says Sew in May to show how to accomplish curved seam piecing and thought I’d bring it home today.  Enjoy!
Rainbow Dress Title

One of my really popular sewing projects was this pieced rainbow dress I made for Arden’s fourth birthday party.  It’s been pinned like a bajillion times – don’t you just love Pinterest?  When I posted it I said I would do a little tutorial for how to get nice flat seams when piecing curves – so here we go:

 

Curved Piecing Collage
  1. You’ve got curved pieces which need to go together…
  2. But you can’t just match up the ends of the fabric because the stitching line is the width of the seam allowance away and that’s where you need to match up the ends…
  3. With the sewing edge aligned, slide the two fabrics until the point at which the edges begin to overlap is the same as your seam allowance.  A sewing gauge comes in really handy for this.
  4. Repeat on the opposite edge and then ease the pieces together and pin.
Maybe you’re thinking “Why not just cut the pieces extra long and not worry about all this?”.  The problem is that if you’re not easing in the same length of each fabric your “new” piece of fabric won’t lay flat.  You’re essentially creating a textile for yourself.
Curved Piecing 10

If your sewing begins right at the intersection of the fabrics then you’ve done it right!

Curved Piecing Collage 2

Clear as mud?  Here’s another picture showing how I kept sliding the orange fabric to the left until the intersection lined up with the seam allowance shown on the sewing gauge.  You want the ruler to be perpendicular to the sewing edge of the fabric.

 

Curved Piecing 8

If you’re a lazy pinner like I am, then you might find this while you’re sewing.  Here the two fabrics are not lined up along the sewing edge.

 

Curved Piecing 9

Just stretch and slide the fabrics until they match back up.  The more precise you are in sewing these seams, the better your finished dress will be!

 

Rainbow Dress Hanging 1
Rainbow Dress Back 2

I even managed to line up the seams across the zipper; I’ll show my trick for how to do that:

 

Seam Matching Collage
  1. Using a disappearing marker, draw a line where the seam will be on each side.
  2. Put a pin through each piece exactly where the line you drew and the seam cross.  Then pin perpendicular to the sewing edge at each seam.
  3. Sitch (in this case baste since it’s the back where the zipper will be inserted) and admire all your matching seams!!

Photobucket

 

4 Responses to Tutorial: Curved Seam Piecing

  1. Shaffer Sisters August 5, 2013 at 6:47 AM #

    This is so cute. I love the bright colors. I bet your daughter loves it.
    With Love,
    Scary

  2. Beth August 6, 2014 at 6:15 PM #

    Thanks for this. I came across your rainbow dress on Pinterest and am hoping to give it a go, as my daughter has just requested a rainbow dress. The curves look really cute – better than plain stripes. I hope mine turns out as good as yours… my daughter is 5 so it’ll take a lot of piecing!

    • Jennifer August 7, 2014 at 10:23 PM #

      I’m so glad! I’d love to see your dress!

  3. paula April 13, 2015 at 12:37 PM #

    HI, I love this dress,my granddaughter is turning 4 and I’d love to make this for her. What dress pattern did u use?

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