What Piping Is and Why It Finishes a Pillow
Piping is a narrow strip of fabric folded over a cord and sewn into the seam where two pieces of fabric meet. It creates a crisp, tailored edge that looks professional and reinforces the seam so it holds up to wear. When you sew piping into a pillow, it sits right at the edge, framing the front and back panels with a thin, defined line of color or pattern.
Piping serves two purposes: it's decorative and structural. The cord inside gives the seam strength, and the folded fabric creates a clean finish that hides raw edges. A pillow with piping looks intentional and polished—the kind of thing that looks store-bought but is actually handmade.
You can buy pre-made piping at fabric stores, or make your own from fabric scraps and piping cord. Pre-made is faster; homemade gives you complete control over color and pattern. Either way, the sewing steps are the same.
Key Takeaways
- Piping is a cord wrapped in folded fabric that you sew into the seam between pillow panels for a finished, professional edge.
- You need a piping foot (a presser foot with a groove underneath) to sew piping straight and close to the cord without crushing it.
- Pin piping to the right side of the front panel first, then sew the back panel on top, trapping the piping in the seam.
- Leave a 3- to 4-inch opening unsewn so you can turn the pillow right-side out and insert the form before closing by hand.
- Corners are the trickiest part—clip the piping seam allowance at each corner so the fabric folds smoothly without bunching.
Gather Your Materials and Tools
You'll need two pieces of fabric cut to the same size (usually 16 by 16 inches for a standard pillow), piping that measures the perimeter of your pillow plus 2 inches, a pillow form that matches your finished size, thread that matches or blends with your fabric, and a needle or sewing machine.
The most important tool is a piping foot (also called a cording foot). This presser foot has a groove or channel on the underside that lets the cord ride underneath while you sew the fabric close to it. Without a piping foot, you'll crush the cord or sew too far from it. A standard all-purpose foot won't work. Check your machine's manual or measure your presser foot shank to find the right piping foot—they're inexpensive and available at fabric stores or online.
You'll also need a seam ripper to fix mistakes, pins or clips to hold piping in place, and scissors or a rotary cutter. If you're making your own piping, add piping cord (available in different widths) and bias tape or strips of fabric you've cut and pressed into a long, folded strip.
Prepare Your Fabric and Piping
Cut your two pillow panels to the exact same size and press them flat with an iron. If you're using pre-made piping, lay it out and check that it's not kinked or twisted. If you're making your own, wrap your bias tape around the piping cord, then sew it closed with a regular presser foot, running the needle as close to the cord as you can without hitting it.
Before you start sewing piping to your pillow, test your setup on scrap fabric. Attach the piping foot to your machine, thread it, and sew a short line of piping onto a test piece. The needle should run right next to the cord, and the foot should glide smoothly without skipping stitches. Adjust the needle position if needed—most machines let you move the needle left or right. Once it looks right, you're ready to work on the actual pillow.
Lay out your front panel right-side up on a flat surface. This is where the piping will show, so make sure this is the side you want to see when the pillow is finished.
Pin and Sew Piping to the Front Panel
Starting at the middle of one side (not a corner), pin the piping to the right side of the front panel. The raw edges of the piping and fabric should line up exactly. Pin every 2 to 3 inches, and as you go around, gently curve the piping at the corners—don't fold it yet. Work your way around the entire perimeter, ending about 2 inches from where you started. This overlap will let you join the piping ends neatly.
Sew the piping to the front panel using the piping foot. Start at the middle of a side and sew slowly, keeping the cord in the groove of the foot. The needle should run right next to the cord, creating a line of stitches that hold the piping securely. Sew all the way around, stopping about 2 inches before you reach the starting point.
At each corner, stop with the needle down, lift the presser foot, and clip the seam allowance of the piping (the raw fabric edge, not the cord itself) at a 45-degree angle. This clip lets the piping turn the corner smoothly without bunching. Lower the foot and continue sewing. Repeat at every corner.
Join the Piping Ends
When you reach the end of the piping, you'll have about 2 inches of overlap with the beginning. Trim both ends so they overlap by exactly 1 inch. Unpick the stitches on both ends of the piping to expose the cord, then trim the cord so the two pieces butt together with no gap and no overlap. Fold the fabric of one end over the other, creating a seam, and sew it closed by hand or machine. This joined section should look like the rest of the piping.
Sew this joined section to the front panel, completing the circle. You've now sewn piping all the way around the front panel.
Attach the Back Panel and Leave an Opening
Place the back panel on top of the front panel, right sides together, so the piping is sandwiched between them. Pin around the entire perimeter, making sure the edges line up. Mark a 3- to 4-inch opening on one side—this is where you'll turn the pillow right-side out and insert the form.
Sew the back panel to the front panel using the piping foot, following the line of stitches you already made when you attached the piping to the front. This second line of stitching traps the piping in the seam and holds the two panels together. Sew all the way around, but stop at the opening you marked and leave those 3 to 4 inches unsewn.
Trim the seam allowance to about ¼ inch all the way around, being careful not to cut the piping cord. At each corner, clip the seam allowance at a 45-degree angle, cutting close to (but not through) the stitching. This reduces bulk so the corners turn out crisp and square.
Turn, Fill, and Close the Pillow
Reach through the opening and gently pull the pillow right-side out. Use a blunt tool like a chopstick or point turner to push the corners out from the inside, working slowly so you don't tear the seam. The piping should now frame the edge of the pillow with a clean, finished line.
Insert the pillow form through the opening, pushing it into the corners so it sits evenly. The form should fill the pillow snugly but not so tightly that it strains the seams.
Close the opening by hand using a ladder stitch (also called a slip stitch). Thread a needle with thread that matches your fabric, and knot the end. Bring the needle out through the fold of fabric on one side of the opening, then cross over and go into the fold on the opposite side. Slide the needle through the fold for about ¼ inch, then come back out and cross to the other side. Repeat this back-and-forth motion all the way across the opening. Every few stitches, gently pull the thread to close the gap. When you reach the end, knot the thread inside the fold and trim it. The opening should be nearly invisible.
Common Mistakes and How to Avoid Them
The most common mistake is sewing too far from the cord or crushing it with the presser foot. This happens when you don't have a piping foot or when the needle position is wrong. Always test on scrap fabric first, and adjust the needle position until it runs right next to the cord with the foot gliding smoothly.
Another frequent problem is bunching at the corners. This happens when you don't clip the seam allowance of the piping before turning the corner. Clip at every corner, and clip deep enough that the fabric can fold without resistance—but don't cut the cord itself.
Uneven piping around the perimeter usually means the piping wasn't pinned tightly enough before sewing. Pin every 2 to 3 inches and check that the raw edges line up with the fabric edge before you start the machine. If you notice the piping is drifting as you sew, stop, remove a few stitches, repin, and start again.
Finally, a lumpy seam where the piping is attached usually means the seam allowance is too wide. Trim it to ¼ inch or less after sewing, and clip the corners. This gives you a flat, professional finish.
Frequently Asked Questions
Can I use regular thread to sew piping, or do I need something special?
Regular all-purpose thread works fine. Choose a color that matches your fabric or blends with both the fabric and the piping. If your piping is a contrasting color, you can use thread that matches the piping instead—it will be less visible in the seam.
What size piping cord should I use?
Piping cord comes in widths from ¼ inch to ½ inch. For a standard 16-inch pillow, ¼-inch cord is most common and looks proportional. Larger pillows can handle ⅜-inch cord. Thinner cord looks delicate; thicker cord makes a bolder statement. Choose based on the scale of your pillow and how much visual weight you want the piping to have.
Do I have to use a piping foot, or can I sew piping with a regular presser foot?
A piping foot makes the job much easier and gives better results, but you can sew piping with a regular foot if you're careful. You'll need to position the needle very close to the cord and sew slowly, watching that you don't crush it. Most sewers find a piping foot worth the small cost because it's faster and more reliable.
What if I run out of piping before I finish going around the pillow?
Measure the perimeter of your pillow before you buy or make piping. Add 2 inches for joining the ends. If you do run short, you can sew a partial line of piping on just one side or two opposite sides for a different look, or you can make or buy more piping and start over. It's better to have extra than to fall short.
Can I machine-wash a pillow with piping?
Yes, if you used washable fabric and thread. Wash in cool water on a gentle cycle and air-dry to protect the piping and the seams. If the pillow form is not washable, you can remove it, wash just the cover, and reinsert the form when it's dry. Check the care instructions for your specific fabric and piping before washing.