Sew a Swimsuit: Cottesloe Swimsuit

Fabric Options
Pattern Options

Classic one piece swimsuits and mix and match bikini sets. Pattern features athletic elements, four variations and includes detailed instructions to guide the sewer through swimsuit construction techniques.

View A is a one piece swimsuit with low scoop back, shelf bra and ties at the back. View B is a one piece swimsuit with high scoop back. View C is a bikini top and a low rise bikini bottom. View D is an athletic inspired bikini top and high waisted bikini bottom with wide waistband. All versions are able to be fully lined.

For the two kits, we've chosen to help you play with color-blocking so we're providing two fabrics in each box. Check out the line drawings to see how the fabrics will look on the finished swimsuit!

In this box, you will receive the pattern, fabric of your choice, and all the notions to match your fabric

Pattern: Cottesloe Swimsuit from Megan Nielsen

Skill Level: Confident Beginner

Sizing: US sizes 0-20

What you should know (or desire to learn): Sewing with stretchy knits, sewing with elastic, topstitching, inserting a lining (optional)

Fabric Options: You will receive 1 1/8 yard of the first listed fabric and 5/8 yard of the second

  • Neon Peach Nylon Spandex & Navy Nylon Spandex 
  • Hot Pink Matte Tricot & Raspberry Matte Tricot 
  • Teal Sunburst Printed Nylon Spandex & Black Nylon Spandex

Swimsuit Notions:

  • 6 yards 1/4" elastic
  • 1/2 yard 1/2" elastic
  • 2 yards 1" elastic
  • 1 1/8 yard beige swim wear lining
  • 1/2 yard power mesh (optional for shelf bra)

Not included: foam cups for shelf bra, as these are size specific. You can find that at Bra Maker's Supply or Sew Sassy Fabrics

Also in this box: Matching thread and a sewing machine needle

Customer Reviews

Based on 1 review
Amanda T.
First swimsuit!

The kit from Needle Sharp contained high-quality materials that made sewing my first swimwear a breeze. The Cottesloe pattern in the kit is perfect for a first time swim project, too. Great instructions and illustrations with online tutorials as well. I highly recommend purchasing kits, patterns or fabric from Needle Sharp NY.