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MN2501 Cottesloe / MN4501 Mini Cottesloe / Sewalongs

Cottesloe Sewalong // how to sew view A, with shelf bra and ties

Cottesloe View A full construction with shelf bra and ties

I think this is my favorite version of Cottesloe – the low back one piece! Today we will go over all the steps in the View A construction leading up to elastic insertion – shelf bra, foam cups, ties, and then suit seams. The shelf bra/cups and ties are optional, but definitely add better support for the low back design.

This is such a great option if you like the classic shape of Cottesloe, but want a little more detail compared to the basic one piece that is View B. Gah, I just love this verison! So let’s get started!

// SHELF BRA + OPTIONAL FOAM CUPS //

Cottesloe shelf bra elastic guide

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsCut your shelf bra 1/2″ elastic per the measurements provided in the cut instructions for View A.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsPin each end of the 1/2″ elastic to the bottom side seam edge of the shelf bra, on the wrong side of the fabric.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen Patterns how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsSew the elastic to the shelf bra using a zig zag stitch. Stretch the elastic as you go to match it up with the length of the fabric.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsYou will be lining up right along the bottom edge of the shelf bra, and sewing right through the center of the elastic.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsTurn the elastic and fabric edge in towards the wrong side of the fabric.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen Patterns how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsWith a zig zag stitch again, sew right along the raw edge of the fabric/elastic to enclose.

From the wrong side you will see two rows of zig zag stitches, but from the right side you will only see one.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsIf you are adding foam cups – flip your shelf bra over so the right side of the fabric is facing you. Place the foam cups right side down in your desired position and pin in place. .

Note: There are many different shapes and sizes of foam cups. Find the best one for your body. And there is also no “one size fits all” position for the cups. Hold the shelf bra up to your body to find your ideal cup position.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsZig Zig stitch around the very edge of the cups to attach to the shelf bra.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsFlip the shelf bra over to the wrong side, and trim away the shelf bra fabric from over top to cup.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsNow place your Front suit piece down in front of your with the wrong side of the fabric facing you.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsPlace the Shelf Bra on the Front with wrong sides together. Pin together at the shoulder seams and seams.

The Front/Shelf Bra will now be treated as one piece of fabric when sewing.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsOptional: you can sew the shelf bra to the front at the side seams and shoulder seams instead of just pinning if you would like to secure it more for sewing. Use a zig zag stitch and stitch close to the edge.

// TIES //

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsFold the ties in half width ways with right sides together and pin.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsSew each tie 1/4″ from the raw edge along the long edge and the pointed short edge. Use a zig zag stitch or serger/overlock.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsTurn the ties right side out through the open short edge.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen Patternshow to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsPlace your Front down in front of you with the wrong side facing you.

Place the ties down on the wrong side of the fabric, so the open short ends line up with the side seams, and the seam of the ties line up with the elastic of the shelf bra underbust. Pin in place (you can also zig zag stitch together to secure better for the next step).

// SUIT CONSTRUCTION //

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsNow turn your Front piece over so the right side is facing you.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsPlace your Back piece down on top so right sides are together. Align the shoulder seams and side seams and pin in place.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen Patterns how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsAt the crotch, place your Gusset piece right side down on the Back. Pin in place through all three layers of fabric (gusset, back, front).

Note: you can cut your Gusset out of self fabric or swimsuit lining.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsSew along the shoulder seams, side seams, and crotch seam 1/4″ from the raw edges using a zig zag stitch or serger/overlock.

At the crotch, you will be sewing through three layers of fabric.

If you added the shelf bra and ties, you will also be sewing through multiple layers of fabric at the shoulders and bust as well.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen Patterns how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsOnce again, flip your suit over so the Front is facing you (still wrong side of the fabric), with the Gusset flipped down.

how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen Patterns how to sew the View A one piece version of the Cottsloe swimsuit by Megan Nielsen PatternsFlip the Gusset up towards the Front, so that the right side of the Gusset fabric is now facing outwards. Pin the Gusset to the front leg openings to keep it in place for elastic insertion. We will go over elastic in another post!

Cottesloe Swimwear Pattern Envelope

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About Author

Holly writes part time for the Megan Nielsen blog– sewing like crazy, creating tutorials and sewalongs. She has been sewing since she was a little girl, and has her degree in apparel design. Now she’s a stay at home mama, and spends all her free nap times at her sewing machine.

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Agata Zurek
Agata Zurek
2 years ago

Thank you for the wonderful tutorial! Could you please say a few words on why the shelf bra gets trimmed from the cups? Thank you!

Sarah
Sarah
2 years ago
Reply to  Agata Zurek

I am wondering the same thing!

Kristi
Kristi
2 years ago

Thank you for this post! I’m really excited about sewing my first swimsuit, and I definitely want to include the shelf bra with foam cups (so this post is especially awesome!), but I’m wondering about how you choose the placement of the foam cups. I know you recommend holding the top up to you to see if you like the placement, but won’t the placement of the cups change a little when you put the finished swimsuit on, since it’ll stretch?

I hope this question makes sense! I’ve made lingerie but this is my first swimsuit, so please forgive my ignorance if this is a silly question!

Thank you!

Sarah
Sarah
2 years ago

Is it possible to line View A rather than just having a gusset? If so, how would one go about doing that?