It's several years since I made a bra and this is a new pattern to me
https://fit2sew.co.uk/product/ingrid-wirefree-bra-pattern/I made the 36" band with 4.5" bottom cup depth and it actually fits me; better than it fits Agatha.
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Because I wasn't expecting it to fit I used up bits and pieces of odd colours from stash, and I didn't have a wide enough set of hooks and eyes so used two narrow sets. I have one set that's almost wide enough to use on the proper version, and it's not difficult to adjust the back provided you do it before sewing on the strap elastic.
It's the first time I've used fold over elastic on a bra and I clearly didn't stretch it enough.
I might go back to picot elastic for the neckline.
Note to self; sew the stabiliser strips to the WRONG side so that it doesn't show on the finished item.