At this point you should have a fully lined swimsuit that has elastic every where except the front neckline. We left that open so that now you can try the suit on and place the bra cups exactly where you want them. Doing it this late in the swimsuit making process helps to make sure they are correctly placed and won’t end up in some weird position.
The 10 Tools you Need to Make a Swimsuit
Midline Swimsuit Pattern Sewalong [part 2] Swim Top Support
Adding Bra Cups to a Swimsuit: A Step-by-Step Guide
Midline Swimsuit Pattern Sewalong [part 1] Intro + Swim Top
How to Insert Bra Cups into Swimwear - don't muddle around. Here's
6 Steps to Sew Bathing Suit Bra Cups
6 Steps to Sew Bathing Suit Bra Cups
Experiment time: Can I sew a bra into my bathing suit?
Adding Bra Cups to a Swimsuit: A Step-by-Step Guide
6 Steps to Sew Bathing Suit Bra Cups
Midline Swimsuit Pattern Sewalong [part 2] Swim Top Support
Tutorial: How to sew a swim bra into a swimsuit