rustic pillow covers customized rustic pillow covers Sewing Smooth Curves Every Time

2019-09-18 00:15:01 custom gift for Anniversary

In home décor sewing, there are lots of squares and rectangles. Pillows, placemats, curtain panels... nice flat shapes with plenty of good ol' right angles. But, if life didn't throw us a few curves now and then, it wouldn't be a very interesting journey would it?! You may feel a little apprehensive about learning to sew curves, thinking you’re happy with all things square. But learning to bend those right angles is a necessary part of sewing, and opens up new, fun possibilities. With our help, it's easy to do too!?

First things first: vocabulary building. An inward curve is a concave curve. And outward curve is a convex curve. The key to sewing them successfully is accurate seam allowancerustic pillow covers, proper clipping, and careful pressing. The main difference between inward and outward curves is how you clip them. Clipping the excess around a curve eliminates the bulk and creates a smooth outer edge while maintaining the curved shape.

linen pillow covers

In garment sewing, the curve around a neckline is an inward curve. If you measure the length of the seam compared to the length of the curve, you'll discover the seam is longer. Therefore, you need to clip into the seam allowance so when it’s turned right side out, the fabric will spread and allow the inward curve to take shape. Whereas, the curve along a princess seam through the bustline is an outward curve. If you measure the length of the seam compared to the length of the curve, you will discover the curve is longer. Therefore you need to clip notches of excess fabric from the seam allowance so when it’s turned right side out, the fabric won't bunch up along the outward curve's pretty shape. I know, I know... you're wishing you'd stayed awake in Mr. Harrison's geometry class!

We've used our fair share of inward and outward curves here in the Sew4Home studios, where we make all kinds of shaped items. Our Jumbo Round Storage Tote and Traveling Jewelry Pouch are good?examples of outward curves.

And these pretty Heart Sachets and sweet Stuffed Owls show off some inward curves. ?

First, a little bit about cutting curved pattern pieces (this relates to all curves, not just the inward variety). Using sharp fabric scissors is important in all fabric cutting, but it's especially critical on curves. You want to clip with just the tip of the scissor around the curve. Cut slowly and evenly to keep the shape of the piece accurate. Sometimes, a curve can be difficult to keep even because of your position as you cut and/or the size of the curve. If this is the case, cut the curve half way from one direction, then change your position, and cut the second half from the opposite direction. Another option is to use a rotary cutter instead of scissors.

Once you have your curve-shaped project ready to go, it's time for sewing.

A full circle is sewn with the same precision and notching technique as an outward curve. We recommend notching the sides of seam allowance independently and opposite of one another as shown above. This will help keep the fabric as smooth and even as possible along the entire circumference.??

NOTE: If you have a sewing machine with a Knee Lift feature and a programmable Needle Up/Down function, (two additional can't-live-without features ofnour Janome studio machines), we recommend using these in combination. They enable you to keep your hands on your fabric as you sew around curves. The needle stops in the down position and you use your knee to lift the presser foot slightly so you can rotate around the curve a little at a time, holding on to your fabric with both hands the entire time.?

We're glad you asked, because that is exactly what you do on a?bolster pillow or when making the bottom of a round basket.?

You also run into this circumstance all the time in garment sewing when you sew a set-in sleeve into a garment. The top of the sleeve is an outward curve, while the arms-eye (the hole where your arm goes through) is an inward curve.??

To help make the two fit, you run basting stitches in the seam allowance of each to help gather up the excess slightly so you can fit the curves inside one another.?

When the pieces are placed right sides together, it helps to sew with the outward curve piece (in this example, the sleeve) against the feed dogs of your sewing machine with the inward curve piece (in this example the bodice portion of the garment) on top. The feed dogs can then help ease the excess around the curve of the sleeve into the garment, creating a nice, smooth fit.

For more information on this technique, see our full tutorial on Sewing a Flat Circle Into a Tube.

You'll also sometimes see inward and outward curves joined in quilting. Since ?" seams are traditionally used in quilting, there is not enough excess to clip. Instead, it's recommended you sew the curves from the center out in either direction.

Pressing is a vital component of smooth curves. After the clipping process, place your sewn pieces over a pressing ham, right side down. With an iron set to the appropriate temperature for your fabric type, press the seam open. The curve of the ham will help keep the shape of the curve as you press. Pressing the seam open first, before turning right side out, will bring the sewn edges together flat. This way you will not have any “dents” in your seam where the fabric didn’t turn out completely.?

NOTE: This works on straight edges too!

Once pressing is complete along the seam, turn the fabric right side out and press again.?

NOTE: If you working with a specialty fabric, remember to place a pressing cloth between your iron and fabric.?

Now, go throw a few curve balls into your next project!


Sample Creation and Instructional Outline: Jodi Kelly


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