1. I got some muslin and pin it in. I drew in where she wanted more coverage, copying the original style with pleats and a v-neck. (Don't mind the other random pins, those were for fitting alterations.)
2. She took it off, and I perfected and drew the lines in darker before I unpinned it.
6. I didn't take pictures of the construction, but you put it together just like any other neckline with a facing or lining. This will also depend on the style of your dress and insert. Leave the bottom edge open then finish that edge.
this wedding dress and this strapless dress. You could use this technique for a strapless dress; it would just be a lot more work and different pattern pieces. Both of these dresses I hemmed and used the extra fabric to build up the tops.