The ASSEMBLY LINE • Oversized Shirt Sewing Pattern (XS - L)
The Oversized Shirt Sewing Pattern by The Assembly Line offers a fresh, modern take on a classic shirt silhouette. Designed in Sweden, this pattern features a relaxed, feminine fit with dropped shoulders, a rear box pleat for added movement, and discreet side seam pockets for functionality.
Choose between a traditional shirt collar or a sleek stand-up collar to suit your style. The pattern’s length is easily adjustable — keep it short for a classic shirt or lengthen it to create a contemporary shirt dress. A versatile wardrobe staple perfect for cotton poplin, linen, or lightweight chambray.
Both models are wearing a size S, the model in white is 170 cm tall and the model in grey is 178 cm tall.
Skill level • Intermediate
This is a multi-size paper sewing pattern which is now available in two sizes, this pattern includes sizes XS-L, click here for sizes XL-3XL. The sewing pattern comes carefully packaged in an envelope together with step-by-step sewing instructions including variations of the techniques required to complete your project.
Suggested fabrics • Light to medium weight woven fabrics including cotton, lawn, silk, linen, tencel, crepe de chine and wool crepe.
Fabric requirements
140cm - 150cm fabric width • XS 1.8M / S 1.9M / M 2.0M / L 2.1M
110cm - 120cm fabric width • XS 2.4M / S 2.5M / M-L 2.6M
Trims needed • matching thread / 11 shirt buttons (approx 10mm diameter) / fusible interfacing
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