Madalynne Karlie Swimsuit

Buy the Karlie Swimsuit sewing pattern from Madalynne. Karlie is a 3-in-1 swimwear style in an inclusive size range, designed to end the days of squeezing into uncomfortable swimsuits!

View A is a long sleeve rash guard with a scoop neck and built-in shelf bra. The neckline is finished with rubber elastic and the sleeves and bottom hem are finished with self bands.

View B is a string bikini finished with fold over and rubber elastic.

View C is a one piece with a scoop neck and built-in shelf bra. The back is inspired by Speedo’s iconic design.

This sewing pattern is available to buy in the following formats:

– PDF (available to download immediately after purchase). What is a PDF?

– PDF pattern + Printed A0 copy shop (We print out the A0 pattern sheets, but you’ll need to download the digital instructions, as we don’t print these. The PDF files will be emailed immediately after purchase, and the A0 pattern sheets will be dispatched next working day). What is Copy Shop?

Suggested fabrics:

MAIN FABRIC: Fabric for all pieces. Pattern was designed to be made with fabrics that have 8-20% spandex. Recommended fabrics include lycra that is appropriate for swimwear.

LINING FABRIC: Fabric for lining Front Bodice and Back Bodice of View A (rash guard) and all pieces of View B (bikini) and View C (one piece). Also fabric for shelf bra. Pattern was designed to be lined with stretch mesh or Helenca (swimwear lining). If you are full busted (D+ cup), recommended to use power net for shelf bra.

Fabric requirements:

Bikini top (main + lining): XS-L, 1/4 yd (0.2 m) // XL-5X, 1/3 yd (0.3 m).

Bikini bottom (main + lining): XS-L, 1/4 yd (0.2 m) // XL-5X, 1/3 yd (0.3 m).

Rash guard (main + lining): XS-L, 1 1/2 yd (1.4 m) // XL-5X, 1 5/8 yd (1.5 m)

One piece (main + lining): XS-L, 1 1/4 yd (1.2 m) // XL-5X, 1 1/2 yd (1.4 m).

Sizing: XS - 5X (approx. UK 8 – 30, based on our standardised size chart). Please also check the designer’s size chart.

Notions: Sewing machine with straight, lightning, and zig zag stitches; polyester thread; microtex or stretch needle (size depends on fabric); rubber elastic for finishing neckline on View A and all edges on View C (optional for View B), 1/4"-3/8" wide // View B only: fold over elastic for finishing edges, 3/8" (when folded) for sizes XS-M or 3/4" (when folded) for sizes L-5X; twill tape for stabilising string ties (optional) // Optional for all views: 28 mm rotary cutter; spray adhesive.

PDF pattern includes: Step-by-step instructions; A4 print-at-home pattern (43 pages); US letter print-at-home pattern (43 pages); A0 copy shop pattern (2 sheets) // Layers: Yes // Projector file: No. Note: This pattern is designed to be printed in colour. 

Note: You might also be interested in the DIY kits Madalynne has created to accompany her patterns. These contain all the notions you need for your sewing project.

If you’re looking for more maker inspiration, check out the latest sewing pattern reviews from the sewing community. We also have a sewing blog to keep you up to date with all the news from the world of sewing.