Jane's Carved coin Jewelry ChainMaille for all Occasions and for those occasions when only ChainMaille will do. I get a huge number of requests for assistance with halters and there is no easy answer. There is a delightful variety in the female form.
Size is a multiple issue and consistency is equally relevant.
That being said I will offer what suggestions I can. I sell is this style. The central part of the cup is made from 30-064 and would look like the diagram below if the central seam were to be opened. The two cups must be made as mirror images of each other or the do not connect correctly. At least I have never done it successfully.