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THE ASSEMBLY LINE • Puff Shirt Sewing Pattern (XS - 3XL)

£21.00
- +

Printed sewing pattern • Sizes XS–3XL • Skill level: Beginner

The Puff Shirt Sewing Pattern by The Assembly Line is a modern blouse with a sculptural silhouette, combining clean lines with soft volume. Designed in Sweden, this style offers a fresh, contemporary take on a classic shirt, making it a versatile addition to a handmade wardrobe.

The design features a distinctive shoulder overlap detail that creates subtle structure through the upper body, balanced by wide, voluminous sleeves gathered neatly into elasticated cuffs. The result is a blouse that feels both statement-led and easy to wear, with a shape that works beautifully across a range of fabrics.

This top pairs effortlessly with the High Waisted Trousers by The Assembly Line, creating a balanced silhouette that feels modern and wearable.

Perfect for:

  • Modern blouses with volume and structure
  • Beginner sewists looking for a stylish, wearable project
  • Building a contemporary handmade wardrobe

Skill level • Beginner

Pattern details:

  • Printed sewing pattern with clear, step-by-step instructions
  • Sizes XS–3XL
  • Modern blouse with sculptural silhouette

Suggested fabrics: This pattern works well in light to midweight woven fabrics such as:

  • Cotton poplin
  • Voile
  • Linen and linen blends
  • Tencel

Fabric choice will influence the final look — crisp cottons create a more structured silhouette, while softer fabrics enhance the fluidity of the sleeves.

Fabric requirements • Please see last image for fabric requirements.

You will also need:

  • Matching thread
  • 0.3m interfacing
  • 50mm Wide elastic, see last image for requirements

Sewing tips:

  • Choose fabric carefully depending on your desired silhouette — structured for shape, soft for drape
  • Take care when constructing the shoulder detail for a clean finish
  • Evenly distribute gathers at the cuffs for a balanced look

Why we recommend this pattern: The Puff Shirt is a beautifully modern blouse that combines simplicity with subtle statement details. It’s an easy sew that delivers a distinctive, wearable result.

Browse our full collection of sewing patterns for modern handmade wardrobes.

See more: Patterns
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