Okay, I get it… Curved piecing looks scary, but in reality, they’re just slightly slower sewing that requires a touch more patience.
Curved pieces isn’t an expert-level sewing technique. We aren’t chatting about perfecting your curved piecing if you’ve been doing it for years (that’s more of a let’s have a class on curved piecing kind of lesson).
But from an outside, beginner's perspective, I get why it’s daunting. You’re expected to take two curved pieces of fabric, sew them together, and somehow they’re supposed to end up flat? That feels like it should require some scientist-level skill… But it doesn’t.
And honestly, if you find your quilting group (or attend a quilt retreat—wink, wink), you’ll have plenty of people who would gladly jump in and give you their two cents. Retreats are the best places to try new things… or the worst, depending on how many people want to offer you “advice.”
But I’d like to introduce you to a simple process to take the stress and pressure out of learning to piece curves, so you can jazz up your next quilt with something more than straight square blocks.
The No-Stress Method for Sewing Your First Curved Piece
If you’ve never sewn a curved piece before, the biggest secret is this: you’re not forcing the fabric flat… you’re gently guiding it into place as you sew. Slow and steady wins every time.
Trust me, I am more of a charge ahead kind of person, but if I can do this, so can you.
Step 1 — Find Your Centers First
Alright, before we get wild with the sewing machine, let’s set ourselves up for success.
Take your two curved pieces and find the center of each one. The easiest way to do this? Give them a little fold and a gentle finger press to mark that middle point. No need to haul out the iron… we’re keeping this low effort.
Next, match those center creases right sides together and pop a pin in there to hold them in place.
And here’s the part that makes a bigger difference than you might think:
Make sure your pie-piece-shaped curve (the convex curve) is on the bottom, and your inward curve (the concave piece) is on the top when you sew.
Why? Because it gives you way more control when you start easing that curve together. And trust me, we like control. Control is what keeps things from going sideways… and I mean literally.
Step 2 — Pin Your Ends (So They Behave Themselves)
Now that your centers are locked in, it’s time to wrangle the ends.
Match up both ends of your curved pieces and pin them securely. These little guys like to wander if you don’t keep them in check, and nothing is more annoying than realizing halfway through sewing that one side has decided to go a little rogue.
You don’t need to go overboard here; just enough to keep everything where it’s supposed to be.
At this point, your pieces might look a little awkward and not quite like they belong together. That’s normal. (Totally normal.) This is where a lot of people start doubting their life choices… but stay with me.
Once you start sewing, it’ll all come together. Promise.
Step 3 — Sew Slowly and Ease the Fabric
Now it’s go time. Take a deep breath (and then let it out), and begin stitching from one end, keeping your seam allowance consistent.
As you sew:
- Stop every few stitches. (Yes, I know… annoying, but you didn’t choose an instant gratification hobby.)
- Adjust the top fabric so the edges stay aligned.
- Let the outer curve naturally bend. Don’t stretch or tug.
If you feel resistance, pause and reposition. Curved pieces are very much a tortoise-and-the-hare situation. Don’t race ahead and end up with some wonky seams; slow and steady wins this race.
Need a helping tool? Try using a stiletto to ensure your edges remain steady as you sew.
Step 4 — Keep Your Seam Allowance Steady
Pro tip here… Instead of watching the needle, watch the edge of your presser foot or seam guide to ensure your piece can pivot smoothly.
Consistency is what makes curved pieces look smooth, even more than perfect pinning.
Make sure you’re keeping an eye on that excess fabric as you sew. You don’t want one piece to have a super long tail. But don’t stress if you notice a bit of excess building up, simply try to absorb it as you go along.
Step 5 — Clip or Notch the Seam Allowance (If Needed)
Once you’re done sewing, you can make tiny clips into the seam allowance along the curve; just make sure you don’t cut your beautiful stitches if it’s needed.
This can help the fabric relax and lie flatter once you press it… especially with tighter curves. Some slight pleats may have occurred during sewing in the excess fabric, but don’t panic. We can work those out later.
Step 6 — Press, Don’t Iron
For the love of all that is good, press, don’t iron your fabric. Yes, I love to add the drama.
Set your seam first by pressing it flat as sewn. Then gently press the seam to one side or open. (We won’t be chatting about pressing here. That’s another blog, for another time.)
Lift and place the iron—don’t drag it back and forth, or you’ll stretch the curve out of shape. We want to keep the shape, but make it a little flatter.
Step 7 — Check Your Curved Piecing Before Moving On
Lay your block flat on your cutting mat and admire it for a second. You did the thing. That big scary thing you weren’t sure you even wanted to try in the beginning… Yes, you did that.
A few tiny ripples? Totally normal. Quilting later smooths out more than you think.
And really, the first few times you try curved piecing, you aren’t going for perfection. You’re learning a new skill and trying some really cool things.
Just check that nothing disastrous happened and then move on to the rest of your quilt!
Pro Tips for Curved Piecing
I have definitely curved a time or two… or twenty, so let me pass on a little insider knowledge.
Tip 1 — Start With Gentle Curves
Avoid super dramatic shapes for your first attempt. We want you to get an easy win, not a “I want to pull my hair out strand by strand” moment right out of the gate.
Large, gradual curves are much more forgiving. Trying to do a tight curve on your first go isn’t the best way to learn how to piece curves.
Tip 2 — Use Strategic Pinning (Not Pin Overload)
Pin the ends and the center. Don’t overload your curved piece with a ton of pins.
Too many pins can and will make curves harder to sew, not easier.
Tip 3 — Lower Your Machine Speed
Curves reward patience. It’s not about speed. Remember, you’re the tortoise… not the hare.
Slowing down helps your hands stay relaxed and accurate. You can speed it up a bit later, but build some muscle memory at a slower speed.
Tip 4 — Trust the Bias
Curved edges often include bias stretch—that’s normal.
The slight flexibility actually helps seams come together smoothly.
Tip 5 — Test on Scraps First
Heading to a retreat soon? Bring a few scrap pieces and try one test curve before committing to your project.
See if you can get someone to walk you through it. Trust me, there will definitely be quilters who know curved piecing there.
Honestly, retreats are the perfect places to try curved piecing for the first time. There are people there who can walk you through, and the social atmosphere makes it a lot more relaxed and far less intimidating.
Remember, quilters love helping other quilters out, and we love having a good chuckle at a wonky seam. Quilting retreats aren’t about coming back with a perfect quilt.
And really, the energy at quilting retreats kind of gives you this boost of “I can do anything” confidence… So, there’s no better place to give it a try.
You don’t need to be an expert-level quilter to sew curves.
Curved piecing is just another skill to add to your toolbox at any time. Curved piecing is a great way to make your quilts look next level without requiring a crazy amount of experience.
You’ll only get better over time.
But as long as you focus on slowing down, which that in itself can be a hard skill for people to learn… Just me? But take things easy and, for goodness sake, give yourself permission to learn. No matter how long you’ve been quilting for.
And if you’re looking for a retreat to come and learn curving (or another bucket list skill on your list), check out our next Bar Harbor Open Sew Retreat.
Seriously, what is better than 4 days of no laundry or people asking you, “What’s for dinner?”
