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Learn to Sew a Bralette

Discover the art of lingerie making in this empowering online sewing class featuring the Robin Bralette pattern. Learn professional techniques for creating a comfortable, fitted soft bra with princess seams and adjustable straps. Master working with delicate materials and elastic while creating a self-lined bralette with picot elastic finishing. Perfect for sewists ready to explore intimate apparel, this class teaches you to create custom-fitted undergarments with a professional finish.

Free for all Seamwork members!
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Picot Edge Elastic

In this lesson, Haley walks you through how to sew picot edge elastic. If you’ve never sewn this type of elastic before, or you want a bit more practice before starting the Robin bra, cut out some scrap fabric and elastic and Haley will show you how.

Learn to Sew a Bralette

Here’s what you’ll need for this project:


  • Robin bra pattern

  • Light to medium weight knits with four-way stretch with 50% stretch and good recovery

  • All-purpose polyester sewing thread

  • Ballpoint sewing machine needle

  • Four 1/2” (13 mm) rings and two sliders

  • 1 1/2 yards (1.4 meters) 1/2” (13 mm) of wide bra strapping

  • 1 1/2 yards (1.4 meters) of 3/8” (10 mm) picot elastic

  • 1 yard (.9 meters) of 3/4” picot elastic (20 mm) (sizes 00 - 16) or 1” (2.5 cm) picot elastic (sizes 12 - 26)

  • One hook and eye bra closure. Sizes 00-16: 3 hook closure finishing at 2 1/4” (5.7 cm). Sizes 12-26: 4 hook closure finishing at 3” (10.2 cm).

Work alongside other sewists by participating in the Seamwork community. Ask and answer questions, share your progress, get inspired by real-life sewists, and post your finished projects.

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