Adding cups to a swimsuit pattern is actually an easy modification that can make your suit instantly more supportive and comfortable.
Adding underwire to bathing suit.
I made this particular hack three times using underwire bras size 34 d.
Cut a piece of swimsuit lining cut an x in the center the size of the x will depend upon your cup size push the cup through and pin the cup.
First we start with an old bra.
Cut your bra in half and remove the straps.
Remember to put it the correct way round so the softer side will be against your body.
Insert the boning and close of the lining at both ends.
If you want to make sure your swimsuit has plenty of support underwiring is one of the best ways of going about it.
Place your swim bra over the front making sure the underwire is at least 1 2 inch below the neckline because you re going to be folding it over with elastic to finish it.
The method i used was taken from another bathing suit pattern from beverly johnson of pinup girls.
So with the designer s permission i am sharing my tutorial steps to add a real bra to the lining of the bahama mama peplum tankini.
The underwire bra was obviously the biggest change here.
Cut a thin strip of swimsuit lining and sew it to the inside of the suit at the side seam to create a lining tube.
It s pretty easy to slip swimsuit or bra cups into a suit or with a bit more work you can even add a cup with an underwire.
Adding underwire to a bathing suit.
This method involves cannibalizing an existing underwire bra which is inserted into the swimsuit pattern.
Added an underwire bra to the inside of the suit.