O-Ring Strapless One-Piece Swimsuit Sewing Pattern

Make a head-turning strapless one-piece with two front O-rings and a Brazilian-cut back. Daring, flattering and easier to sew than it looks.

Why you'll love this pattern

• Strapless front with two decorative O-rings
• Brazilian-style back coverage
• Fully seamless construction
• Sizes XS–5XL (size-inclusive)
• Beginner/Intermediate sew-along video tutorial
• Instant PDF download — A4, US Letter and large-format files

What's included in the PDF

• Print-at-home pattern pages — A4 and US Letter formats
• Large-format A0 file for projector or copy-shop printing
• Step-by-step photo instructions
• Full sew-along video tutorial (YouTube)
• Pattern layout guide and size chart

Sizing

XS–5XL — see size chart in product images. GigiZanti patterns are designed to be size-inclusive.

Fabric & notions

Fabric: 1.0 m (1.0 yd) of 4-way stretch swimwear fabric (Lycra, Nylon spandex, or Polyester spandex). Optional: swimwear lining.

Notions: Stretch needles 75/100, wooly nylon or 100% polyester thread, 0.6 cm (1/4") swimwear rubber elastic, 4.5 cm (1¾") swimsuit O-rings ×2

Equipment: Sewing machine and overlocker (serger) recommended.

Skill level

Beginner-Intermediate — full sew-along video tutorial included for every step.

How it works

This is a digital PDF sewing pattern — instant download immediately after payment. A copy is also emailed to the address you enter at checkout. Print at home on A4 or US Letter, send the A0 file to a copy shop, or use a projector. No physical product is shipped.

Please note: due to the nature of digital products, returns and exchanges are not available. You are welcome to use GigiZanti patterns in your small sewing production.