We’ve got a tutorial for you about sewing a circle cut out in the back of the Grace Tankini for View A. This part is not hard at all and adds such fun to the back!
You could actually use the back pattern piece to add a circle cut out to the back of View B also. Or use a CD and place it in the center back (between the shoulder blades) of your favorite swimsuit pattern, and use this tutorial to add a circle cut out to the back of your swimsuit! Once you have cut out the pattern pieces of both your main fabric and your lining or shelf bra, follow this photo tutorial.
Line up the two circles and pin. The right side of your main fabric will be facing up, and the wrong side of your shelf bra or lining will be facing up. In other words, right sides together!
Carefully sew around the edges of the circle, using a 1/2” seam allowance. Stop and adjust the fabric as needed. It’s easiest if you put your needle down in the fabric and adjust the layers. Alternately, you can baste, check it, and then sew. If your fabric is thin and doesn’t have good stability, you might try marking the circle onto the back of the fabric and sewing this step before cutting out the fabric from in the middle. This will ensure your circle doesn’t end up stretched out of shape.
Snip around the circle, up to but NOT through your line of stitches you just sewed. This will allow the circle to lay flat. I’ve found using just the tip of a sharp scissors to be the key here.
Here’s a close up so you can tell how close to go to the stitched circle.
Pull your lining or shelf bra through the hole so it is now on the wrong side of the swimsuit back where it belongs. Carefully press around the circle to get it to lay flat.
Sew around the circle again with a 1/4” – 3/8” seam allowance. As you sew, you want to gently roll the lining/shelf bra to the underside so it doesn’t show on the right side when you are finished.
And there you have it! In the above photo you can see the inside and outside of the circle cut out. Your circle cut out in the back of a swimsuit is completely finished! Bring on the sun…
Fabric used in this tutorial is from CaliFabrics.