To make a fashion statement with your crochet hook? This Patch Blazer crochet pattern offers the perfect blend of structure, style, and creative flair. Made from sturdy cotton yarn and featuring intricate granny square motifs in raw and black, the blazer is constructed like a puzzle—assembled from floral arrangements of hexagons and half squares.
Crochet Patch Blazer
Whether you’re crafting it as a wardrobe centerpiece or a head-turning outerwear accessory, this project offers versatility, texture, and customization. Designed with medium sizing in mind, it's ideal for confident crocheters who enjoy building unique garments with flair.
Materials
- Approximately 400g of Rinela cotton yarn in raw color
- Approximately 400g of Rinela cotton yarn in black
- 3.5 mm crochet hook
- Scissors
- Yarn needle
- Measuring tape
Yarn Notes
- Use 100% Rinela cotton yarn, rigid and ideal for firm granny squares
- Work with a double strand for thicker, stiffer texture
- Not suitable for skin-contact garments, perfect for jackets and bags
Granny Square Dimensions
- Side-to-side: 7.5 cm
- Point-to-point: 9 cm
Granny Square Quantities
- 31 in raw color
- 46 in black
- 7 mixed (raw + black) for flower centers
- 9 half granny squares for lower edge shaping
Half Granny Square Pattern
- Use 3.5 mm hook with double strand
Row 1:
- Make a magic ring
- Ch 3 (counts as 1 dc), 2 dc into ring
- Ch 2
- 3 dc into ring
- Ch 2
- 3 dc into ring
- Close ring and secure
Row 2:
- Ch 3, turn
- 1 dc in next 2 sts
- In ch-2 space: 1 dc, ch 2, 1 dc
- 1 dc in next 3 sts
- In next ch-2 space: 1 dc, ch 2, 1 dc
- 1 dc in next 3 sts, 1 dc in last stitch
For Row 3:
- Ch 3, turn
- 1 dc in next 4 sts
- In ch-2 space: 1 dc, ch 2, 1 dc
- 1 dc in next 5 sts
- In next ch-2 space: 1 dc, ch 2, 1 dc
- 1 dc in next 5 sts, 1 dc in last stitch
- Secure and weave in ends
Assembling the Flowers
- Center with 1 mixed-color granny square
- Surround with 6 black granny squares (petals)
- Sew center square first, then each petal
- Use 4 petals for half-flowers on front panels
- Fill leftover spaces with half granny squares
Constructing the Blazer Fabric
- Surround flowers with raw-colored granny squares
- Assemble layout puzzle-style
- Measure continuously to match dimensions
Blazer Measurements (Size M)
- Full width: 96 cm
- Height: 53 cm
- Front panels: 26 cm each
- Back panel: 44 cm
- Three flowers across the width
Marking for Sleeves
- Mark 4th square from each front panel side
- These indicate sleeve positions
Flower Placement and Filling
- Offset top row flowers between lower row flowers
- Do not join petal squares where sleeves will form
- Fill gaps with raw squares
- Add half-flowers at neckline edges for shaping
Joining Shoulders
- Use center square of flower to connect back and front
- Fold and sew to shape shoulders
Final Assembly
- Sew all assembled panels together
- Align shoulder seams and sew
- Try blazer on before continuing
Sleeve Construction
- Use two unjoined flower petals as sleeve base
- Attach two black squares to raw granny squares and each other
- Continue building out flower-shaped sleeve using black squares
Finishing Touches (Edging)
Bottom Edge
- Single crochet all along the bottom using double-strand raw yarn
Front Panel Corners
- In corner space: 1 sc, ch 1, 1 sc
- 1 dc, 4 hdc, 2 sc
- Next space: 1 sc
- Repeat for neckline corners
Triangular Points (Front Panel)
- 1 sc in space
- 1 sc in next stitch
- 2 hdc
- 3 dc
- 2 tr in space
- 2 tr in next stitch
- 3 dc
- 3 hdc
- 2 sc
- 1 sc in space
- Repeat for all uneven edges
Neckline Edging
- Work sc across neckline, back panel, and down opposite front panel
Second Front Panel
- Repeat all previous edging steps
Final Step
- Join with slip stitch to first edging stitch
- Secure yarn
- Leave in all ends
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