Gus + Steel

One Piece Swimsuit

$8 USD

Our one piece swimsuit sewing pattern offers sun protection and straps that stay in place with all the splashing from swimming. 


  • Keyhole or No Keyhole
  • Elastic or Just Binding


  • 18/24-10/11

Fabric Recommendations:

  • Any swim fabric plus lining

Fabric Requirements: 

  • 18/24 - 4T: 3/4 yard
  • 5T - 7/8: 1 yard
  • 8/9 - 10/11: 1 1/4 yard


  • Serger/Overlocker. You can also substitute a sewing machine with the zig-zag stitch in place of the serged seam.
  • Coverstitch (optional)

Pattern Type:

  • PDF - US Letter/A4, A0, Projector
  • PDF - Detailed Instructions with images

Skill Level:

  • Advanced Beginner

Examples of sizing

*Please note that no physical products will be sent. This listing is for digital downloads of sewing patterns. Downloads will be emailed and are also available at the order confirmation screen.  Please check your spam and promotions folder.  Email any questions to customer service at

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