DIY Cable Knit Pillow | Step-by-Step Tutorial | Knitting House Square
There is something deeply satisfying about sinking into a couch cushion you made with your own hands. A cable knit pillow brings that chunky, cozy texture that no store-bought version quite captures, and once you understand the rhythm of working cables, the process becomes almost meditative. This tutorial will walk you through everything you need to know to create a beautiful cable knit pillow cover from start to finish — from choosing your yarn to sewing on the final button. Whether you are a beginner who has learned the basic knit and purl stitches or an intermediate knitter ready to tackle your first cable project, this guide is designed to meet you where you are and carry you through to a finished piece you will be proud to display.
Why Cable Knitting Is Worth Learning
Cable knitting looks intimidating from the outside. Those twisted ropes of yarn that seem to cross over one another appear complicated, but they are created with one simple technique: temporarily moving a group of stitches to a cable needle, knitting the next stitches, and then knitting the held stitches. That is the entire secret. The visual complexity is completely disproportionate to the skill required, which makes cables one of the most rewarding techniques for knitters to learn. Once you have the motion in your hands, you will find yourself wanting to cable everything — sweaters, blankets, hats, and, of course, pillow covers.
Pillow covers are one of the best beginner cable projects because they are worked flat in two matching panels, the tension does not need to be as precise as it would for a fitted garment, and the finished object is both functional and beautiful. A cable knit pillow also transforms a room. Laid on a neutral sofa or propped against a bed’s headboard, it adds handmade warmth that an entire shopping cart of throw pillows from a chain store cannot replicate.
Materials You Will Need
Before you cast on a single stitch, gather your supplies. Having everything ready before you begin saves you from stopping mid-row when you are in the groove of a cable crossing.
Yarn: Choose a medium to bulky weight yarn, also labeled as size 4 or size 5 on the skein. A smooth yarn with some twist will show off your cable definition most clearly. Wool, wool blends, and acrylic all work well. Avoid very fluffy or halo yarns like mohair for your first cable project — the texture makes it difficult to see your stitches and count rows. You will need approximately 400 to 600 yards depending on your pillow size and the weight of your yarn. For a standard 18-by-18-inch pillow insert, plan on around 500 yards of a worsted weight yarn.
Needles: For a worsted weight yarn, US size 7 or 8 (4.5 or 5.0 mm) straight or circular needles work well. Check your yarn’s label for the recommended needle size and start there. You may need to adjust based on your personal tension.
Cable Needle: This is a short, bent or U-shaped needle that holds your stitches temporarily while you work a cable crossing. If you do not have one, a double-pointed needle of a smaller size works perfectly well as a substitute.
Pillow Insert: An 18-by-18-inch pillow insert is a standard and popular size. You can also make a 16-by-16 or 20-by-20 cover depending on your preference. Have your insert in hand before you begin so you can measure your knitting against it as you go.
Buttons: Three buttons, each approximately one inch in diameter. Choose buttons that complement your yarn color — wood buttons look beautiful with natural tones, and vintage-style buttons add character to neutral colors.
Tapestry Needle: For seaming your panels together and weaving in ends.
Stitch Markers: Optional but helpful for marking your cable panels within a row.
Scissors and a Ruler or Tape Measure
Understanding the Abbreviations
Every knitting pattern uses shorthand. Here are the abbreviations used throughout this tutorial.
k — knit
p — purl
co — cast on
bo — bind off
rep — repeat
rs — right side
ws — wrong side
c4f — cable 4 front: slip 2 stitches to cable needle and hold in front, knit 2, then knit 2 from cable needle
c4b — cable 4 back: slip 2 stitches to cable needle and hold in back, knit 2, then knit 2 from cable needle
pm — place marker
sm — slip marker
st/sts — stitch/stitches
Gauge and Sizing
Gauge is how many stitches and rows fit into a four-inch square of your knitting. It matters more for fitted garments than for pillow covers, but it still affects the final size of your project. Before diving into the full pattern, knit a gauge swatch of about 20 stitches by 30 rows and measure it after washing and blocking. For this pattern worked in worsted weight yarn on US size 8 needles, you are aiming for roughly 18 stitches and 24 rows per four inches in stockinette stitch. Cables pull the fabric in horizontally, so your cable panels will read slightly narrower than a stockinette swatch at the same needle size — this is expected and accounted for in the pattern.
If your swatch comes out larger than the target gauge, go down a needle size. If it comes out smaller, go up a needle size. For a pillow cover, you have more flexibility than for a sweater, so a stitch or two off is perfectly fine. The most important thing is that your finished panel measures close to 18 by 18 inches.
The Pattern: Cable Knit Pillow Cover
This pattern creates two flat panels — a front with a central cable design and a back with a simple knit-purl texture and a button band for easy pillow insert changes. Both panels are knit separately and seamed on three sides, with the button band closure along one edge.
The Front Panel
Cast on 42 stitches.
Row 1 (RS): k3, p2, k4, p2, k4, p2, k10, p2, k4, p2, k4, p2, k3
Row 2 (WS): p3, k2, p4, k2, p4, k2, p10, k2, p4, k2, p4, k2, p3
Row 3 (RS): k3, p2, c4b, p2, c4b, p2, k10, p2, c4f, p2, c4f, p2, k3
Row 4 (WS): same as Row 2
Repeat Rows 1 through 4 until the panel measures 18 inches from the cast-on edge, ending on a wrong side row. Bind off all stitches loosely in pattern on the next right side row.
A note on the central 10 stitches: If you want to add another cable element in the center rather than keeping it as a plain stockinette column, you can work a c4f crossing on those center 4 stitches every 6 rows by slipping the flanking purl stitches onto stitch markers and cabling only the central knit stitches. This creates a rope-style center column that adds another layer of visual texture. For a cleaner, more structured look, leaving it as plain knit stitches as written is equally lovely.
The Back Panel: Main Section
Cast on 42 stitches.
Row 1 (RS): k2, p2, rep from to last 2 sts, k2
Row 2 (WS): p2, k2, rep from to last 2 sts, p2
Repeat these two rows until the back panel measures 15 inches from the cast-on edge. Set this piece aside.
The Button Band
The button band is knit as a separate strip that attaches to the top edge of the back panel and overlaps with the top of the front panel to allow for button closures.
Cast on 42 stitches.
Row 1 (RS): knit all stitches
Row 2 (WS): purl all stitches
Repeat for 3 inches (approximately 18 rows in worsted weight), ending on a wrong side row.
Creating buttonholes (next right side row): k7, bo 3, k11, bo 3, k11, bo 3, k7
Next row (WS): purl across, casting on 3 stitches over each bound-off gap using the backward loop method to replace them.
Continue in stockinette for two more rows, then bind off all stitches.
Putting It All Together
Step 1: Block Your Panels
Before seaming, wet block both panels. Soak them in cool water for about 20 minutes, gently squeeze out excess water without wringing, and lay them flat on a blocking mat or clean towel. Use rust-proof pins to stretch each panel to its target dimensions — 18 inches wide by 18 inches tall. Allow to dry completely. Blocking evens out your tension, softens the fabric, and helps cables relax into their full definition. You will be amazed how much more polished your knitting looks after this step.
Step 2: Attach the Button Band
Use a tapestry needle and a length of your yarn to seam the bound-off edge of the button band to the top cast-on edge of the back panel using mattress stitch or whip stitch. This creates one continuous back piece that is approximately 18 inches tall with a button band extension at the top.
Step 3: Sew on Buttons
Position your three buttons on the main section of the back panel, approximately 1 inch below where the button band begins. The button placement should align with the buttonholes you created. Use a tapestry needle and a doubled length of yarn or thread to sew each button securely through both layers of the yarn at that spot. Knot firmly on the wrong side.
Step 4: Seam the Pillow
Lay the front panel right side up. Place the back panel on top, right side down, aligning all edges. The button band will overlap the top of the front panel. Using mattress stitch for the side and bottom seams, join three sides of the cover, leaving the button band edge open. Mattress stitch creates an almost invisible seam when worked correctly — insert your tapestry needle under the horizontal bar between the first and second stitches on one edge, then under the corresponding bar on the opposite edge, and pull snug every few stitches to close the seam.
Step 5: Weave In Ends and Finish
Turn the cover right side out. Weave in all remaining yarn tails using your tapestry needle, running the tail in one direction for a few inches and then back in the opposite direction to secure it. Insert your pillow form through the button band opening and button it closed.
Troubleshooting Common Issues
My cables look twisted and tight. This usually means you are working your cable crosses too tightly. When you slip stitches to the cable needle, keep them loose, and make sure the traveling stitches are not being pulled across too great a distance. Giving the yarn a gentle tug after completing a cable cross can help redistribute the tension.
My panel is the wrong size. Knitting too tightly will give you a smaller panel; too loosely and it will grow. Go up or down a needle size and work a fresh swatch. Alternatively, you can adjust your stitch count proportionally — adding or removing 4 stitches at a time works well because of the four-stitch cable repeat.
My seams are visible and lumpy. Seaming takes practice. Mattress stitch works best when you pick up the same ladder-bar consistently on both sides. If your seam is pulling too tight or leaving gaps, try working it more slowly, pausing to pull the yarn snug every four or six stitches rather than every two.
I dropped a stitch in a cable section. Do not panic. Use a crochet hook to pick up the dropped stitch, working it up through each row ladder just as you would in stockinette. For a cabled section, you may need to use a cable needle to re-work the crossing in the row where it originally occurred. If the stitch has only dropped one row, it is a quick fix.
Customization Ideas
One of the great joys of knitting your own home goods is that you have complete control over the final design. Here are a few ways to make this pattern your own.
Change the cable pattern. The c4f and c4b cables in this pattern create a classic braided rope look. You can substitute a honeycomb cable by alternating front and back crossings every four rows, a horseshoe cable by working all cables in the same direction and adding reverse stockinette on the outer edge, or even a simple seed stitch panel if you prefer a more textured but cable-free design.
Play with color. A single-color cable pillow is timeless, but working the front panel in a heathered or tweed yarn and the back panel in a solid tone creates an interesting two-sided effect. Some knitters stripe the back panel in two colors for extra visual interest.
Adjust the size. For a lumbar pillow, cast on 32 stitches and work to 12 inches tall. For an oversized floor pillow, scale up to 60 stitches and a 24-inch length, adjusting your cable counts accordingly.
Try a different closure. Instead of buttons, you can knit a simple envelope back where the two back panels overlap by several inches without any fastening. This works especially well for decorative pillows that will not be laundered often.
Care Instructions for Your Finished Pillow
How you care for your cable knit pillow cover depends on the fiber content of your yarn. Check the label carefully before washing.
Most acrylic yarns are machine washable on a gentle cycle in cool water and can be tumble dried on low. Wool yarns generally require hand washing or a delicate machine cycle with a wool-safe detergent, then flat drying to prevent stretching and felting. Superwash wool is treated to be machine washable and is an excellent choice if you want the softness of wool without the handwashing requirement.
Regardless of fiber, reshape your cover while it is still damp and allow it to air dry flat whenever possible. This preserves the definition of your cables and keeps the fabric from developing permanent creases.
A Few Words on Knitting as Practice
If this is your first cable project, you will likely make mistakes. You might cross a cable in the wrong direction, lose count of your rows, or drop a stitch mid-panel. All of this is normal, and all of it is fixable. The knitting community has a wonderful saying: there are no mistakes, only design decisions. More practically, most errors in a pillow cover are either invisible once the piece is seamed or can be corrected with a little patience and a crochet hook.
The rhythm of knitting — the repetitive motion, the slow accumulation of rows, the way a pattern reveals itself stitch by stitch — is something that rewards consistent practice more than raw talent. Every knitter who has made a cable sweater started exactly where you are now: holding their cable needle for the first time, unsure if the stitches would slide back onto the needle without unraveling. They always do. The fabric holds together remarkably well, and cables are far more forgiving than they appear.
Set aside an hour in the evenings, put on something good to listen to, and let yourself work slowly through the first few cable rows until the movement feels natural. By the time you reach the midpoint of your front panel, your hands will know what to do without your eyes having to double-check.
Final Thoughts
A cable knit pillow is more than a home accessory. It is a record of the hours you spent learning a technique, the evenings you sat with yarn in your hands, and the small discipline of working row by row toward something finished. The finished pillow sits on your couch and quietly says something about how you spend your time — and that is worth far more than any pillow you could buy.
If you try this tutorial, take a photo of your finished pillow and share it. Tag your work, write about what you changed, what surprised you, or what you would do differently. The best knitting patterns are living documents that grow richer with every version knitters make, and your version of this pillow is worth sharing.
Happy knitting.
