Sewzy
Dog Sweater Sewing Pattern
The Dog Sweater is a beginner sewing pattern in 9 sizes, 3XS to 3XL. It takes about 1 hour in 10 written steps. It is in the Sewzy iPhone app with every size included. Print it as a letter-size PDF or an A0 copy-shop file.
Updated October 29, 2026
- Level
- Beginner
- Time
- About 1 h
- Sizes
- 9
- Steps
- 10
The Dog Sweater pattern comes in 9 sizes, 3XS to 3XL. It is a beginner project that takes about 1 h, in 10 steps. Best fabrics: sweater knit, polar fleece or French terry.
Premium Print the letter or A0 PDF from the app.
Photos are renders of the finished item, made from this pattern's shapes.
Sizes and fabric
| Size | Finished size and details |
|---|---|
| 3XS | back 6 in, chest 12 in |
| 2XS | back 8 in, chest 14 in |
| XS | back 10 in, chest 16 in |
| S | back 12 in, chest 18 in |
| M | back 14 in, chest 21 in |
| L | back 16 in, chest 24 in |
| XL | back 18 in, chest 27 in |
| 2XL | back 20 in, chest 30 in |
| 3XL | back 22 in, chest 34 in |
Outer: sweater knit, polar fleece or French terry. Lining: a soft knit, jersey or the same outer fabric. Ribbing: 2x2 or 1x1 rib knit for the neckband and cuffs, cut so the greatest stretch runs the length of the strip.
You also need
- Ballpoint or stretch needle, polyester or wooly nylon thread
- A walking foot helps feed knit layers evenly
- Optional: a small square of fusible interfacing to back the leash hole
Pattern pieces
Back (cut 1 outer + 1 lining on fold), Belly (cut 1 outer + 1 lining on fold), Neckband (cut 1 on fold), Cuff (cut 2 on fold)
Seam allowance: ⅜ in (1 cm) included on back, belly, cuff and neckband (none on folds).
The steps
The written guide in the app takes you through 10 steps, one at a time.
- Measure your dog
- Cut
- Mark
- Join outer back and belly
- Sew the back seam and hem
- Attach the neckband
- Attach the leg cuffs
- Join outer and lining
- Cut the leash hole
- Fit and finish
Watch how it's done
Short tutorials on YouTube for the techniques in this pattern, by other sewists. They are not made by Sewzy.
- Learn How to Sew: Sewing with Knits & Stretch Fabrics (Episode 10) Sewing Parts Online · Sewing knit fabric
- How to sew a neckband (with secret tricks!) for knits/T-shirts! Thoughtful Creativity - CRAFT, SEW, DIY · Attaching the neckband
More more
Questions about the Dog Sweater
How much fabric does the Dog Sweater need?
Best fabrics: sweater knit, polar fleece or French terry. Exact amounts for each size are in the guide inside the Sewzy app.
Which sizes does the Dog Sweater come in?
It comes in 9 sizes, 3XS to 3XL. The size table on this page lists what each size fits.
How long does the Dog Sweater take to sew?
About 1 hour. It is rated beginner, and the written guide in the app has 10 steps.
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Sew the Dog Sweater in Sewzy
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Free to download
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