The ASSEMBLY LINE • Regular Fit T-Shirt Sewing Pattern (XS - 3XL) • NEW
Printed sewing pattern • Sizes XS–3XL • Skill level: Advanced beginner
The Regular Fit T-shirt Sewing Pattern by The Assembly Line is a modern wardrobe essential designed with clean lines, relaxed styling and everyday versatility in mind. A classic T-shirt silhouette with thoughtful design details, this is a dependable pattern you’ll return to again and again.
The design includes multiple sleeve options including short, elbow-length or full-length, allowing you to create garments suited to different seasons and styles. A ribbed neckline gives the T-shirt a traditional finish, while an optional clean neck facing offers a more refined alternative. For added versatility, the pattern also includes the option to attach a skirt and transform the design into an easy-to-wear T-shirt dress.
Designed for jersey fabrics, the relaxed unisex fit makes this a comfortable and wearable staple suitable for a wide range of wardrobes.
Perfect for:
- Classic jersey T-shirts and casual wardrobe staples
- Advanced beginners looking to build confidence sewing knit fabrics
- Relaxed everyday garments with versatile styling options
- Modern handmade basics that can be worn year-round
Skill level • Advanced beginner
Pattern details:
- Printed sewing pattern with clear, step-by-step instructions
- Sizes XS–3XL
- Relaxed unisex fit
- Three sleeve options: short, elbow-length or full-length
- Option to create a T-shirt dress variation
- Designed for jersey fabrics
Suggested fabrics: This pattern works best in knit fabrics such as:
- Cotton jersey
- Viscose jersey
- Lightweight sweatshirt jersey
- Rib fabric (for neckline)
Soft jersey fabrics with good recovery will create the most comfortable fit and finish.
Fabric requirements • Please see last image for fabric requirements.
You will also need:
- Matching thread
- Rib fabric for neckline
- Optional: fusible interfacing for neck facing
Sewing tips:
- Use a stretch needle when sewing jersey fabrics for the best results
- Stabilise shoulder seams to help maintain the shape of the garment over time
- Consider using the neck facing option for a cleaner, more elevated finish
Why we recommend this pattern: The Regular Fit T-shirt is a brilliantly versatile wardrobe staple with thoughtful options that make it easy to personalise. Simple, wearable and endlessly useful, it’s a pattern you’ll sew many times over.
Part of our curated collection of The Assembly Line sewing patterns, designed for modern, wearable wardrobes.
Browse our full collection of sewing patterns for modern handmade wardrobes.
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