THE ASSEMBLY LINE • Drop Waist Dress & Top Sewing Pattern (XS - 3XL)

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

The Drop Waist Dress & Top Sewing Pattern by The Assembly Line is a modern, minimalist design featuring a relaxed silhouette and soft feminine details. This versatile pattern includes three sleeveless variations, a top, a short dress and a longer dress, all defined by gentle gathers at the neckline and a subtle keyhole opening at the back.

Inspired by contemporary ready-to-wear styles, this drop waist dress sewing pattern is ideal for recreating the clean, effortless aesthetic seen in brands like COS. The silhouette feels both current and timeless, making it a beautiful addition to a modern handmade wardrobe.

Perfect for:

• Sewing a modern drop waist dress with a minimalist feel
• Recreating designer-inspired, contemporary garments
• Lightweight summer dresses and tops
  

Skill level • Advanced beginner

Pattern Details:

• Printed sewing pattern with clear, well-illustrated instructions
• Sizes XS–3XL included 
• Three variations: top, short dress and longer dress
• Optional design variations including bias binding and a ruffle hem

Suggested fabrics: This pattern works best in light to mid-weight woven fabrics such as:

• Cotton poplin
• Linen and linen blends
• Lightweight cotton sheeting
• Soft structured fabrics with gentle drape

Fabric choice will influence the final look — crisp fabrics create a more sculptural silhouette, while softer fabrics enhance the fluid, relaxed shape.

Fabric requirements • Please see final image for fabric requirements.

You will also need:

• Matching thread
• Fusible interfacing
• Optional: buy pre-made bias binding (the fabric allowance includes bis binding from dress fabric). Please see last image for the length required.

Sewing tips:

• Lightweight fabrics will enhance the soft gathers and movement of the dress
• Take care when finishing the neckline for a clean, professional result
• Consider adding the optional ruffle hem for a more statement look
• Pre-wash your fabric to allow for any shrinkage

Sewing inspiration:

If you’d like to see how this pattern looks sewn up, you can read our Drop Waist Dress Sewing Pattern Review, where we share our version made with a statement ruffle hem.

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.