Would be a nice neckline for an elf / medieval theme costume
Рубашечный воротник на стойке - мастер-класс ШКОЛЫ ШИТЬЯ
Pretty sleevless top pattern - could also be made from an upcycled business shirt
neck treatment with a cut / BurdaStyle: workshops
Incorporated gathered drapes into a bodice. Very nice diagrams for many styles at linked page.
Sewing a collar