Classic Swimsuit Sewing Pattern

$14.50 (or 1 credits) $7.25

Add to cart

The Classic Swimsuit is a timeless one-piece swimsuit with shaped cups, full lining, and many additional support options.

Instant download digital sewing pattern. Includes sizes XXS-5XL with cups AA to M.

• Plain or gathered front
• Powermesh for additional support
• Foam cups
• Underwire
• Power bar
• Thin or wide straps with optional elastic

• Intermediate (suitable for adventurous beginners)
• Fully lined
• Shaped bra-style cups
• Regular cut leg
• Straight back
• Straight straps
• Packed with pro tips and expert advice
• Includes full size, print-at-home pattern pieces
• Includes step-by-step tutorial with photos
• Instant-download digital sewing pattern

Main Fabric – This swimsuit has been designed for 4-way stretch knit fabrics with 40-50% stretch to create a snug fit. Lycra gives extra stretch and has excellent recovery. Great choices are nylon lycra or jersey polyester lycra. Increasing the amount of lycra/ elastane will provide a tighter, more compression feel to the fit.

Lining Fabric – These are typically similar to swimsuit fabrics. They are often a little lighter in weight and have more stretch – a good example is halenka lining which is soft and stretchy, however it can be transparent. You can also use a regular swimsuit fabric instead of a swimsuit lining (as shown throughout the tutorial), as this offers more support. 

OPTIONAL Power Mesh – For additional support you can add a 4-way stretch power mesh to the front, back and cup pieces.

: Make a splash this summer with a brand-new me-made one-piece that won’t go out of style! The Classic Swimsuit sewing pattern comes in sizes XXS to 5Xl with cup sizes AA to M.


  • OPTIONAL Underwires – You will need underwire casing and underwires.
    • Underwire Casing - 1 ½ yards
    • Underwires -  1x pair full cup
  • OPTIONAL Pre-finished foam padding -  ¼ yard.
  •  3 ½ yards of ⅜-inch cotton swimwear elastic
  • OPTIONAL Cotton swimwear elastic for straps - 1.25 yards
    • Thin Strap OPTION: ⅜ inch wide
    • Wide Strap OPTION: ¾ inch wide
  • Polyester thread to match


  • Sewing machine
  • Pins or clips
  • Scissors
  • Tape measure or ruler
  • Optional zipper foot
  • Optional walking foot
  • Disappearing ink pen or tailor's chalk

Browse suitable fabrics here:

Open this in UX Builder to add and edit content

A serger or overlocker is optional but not required.


How do PDF/ digital patterns work? Simply download, print, and sew. You’ll need a free Adobe Acrobat reader program and any home printer (or a nearby copy shop for A0 printing). Once you’ve printed the pieces, tape or glue them together. You’ll find an easy-to-follow how-to guide inside the pattern instructions, plus support in our Facebook group.

The trim-free pattern comes in A4 or US letter printable sizes and includes full pattern pieces and a detailed tutorial to guide you every step of the way. An A0 format (pattern pieces only) is also included should you wish to have your pattern printed professionally. PDF Layers allow you to select and print only the size/s you want/ need.

When will I get my patterns? You’ll receive a link to download your patterns immediately after purchase. If you haven’t received it, please check your spam/ junk folder. You can also find your patterns in your ‘My Account’ area..

What if I need help while sewing? Join our Facebook group and ask any and all the questions you have! We have a team of admins who know our patterns inside-out and are here to help at any point throughout your RP sewing experience. This wonderful community is friendly, knowledgeable, and always willing to help! You can share photos of your RP sews, enter giveaways, get sales information, and new-release updates.

“This was my first time sewing a swimsuit. It extended my skills with knit fabrics. If you haven’t made swimwear before, then this pattern is worth while trying. Take your time and you will be very pleased with the results. The instructions are very easy to follow.”

Bernadette Aitken

Buy More Credits