Dagmar was an artist and considered a top fashion illustrator, working for magazines such as Vogue and Harper"s Bazaar. In April 1947, Dagmar illustrated the cover of Vogue which presented “Christian Dior, new house with new vigor, new ideas, here makes a variation of his market-woman skirt—stiffened, standout, pleated at a low mark. The hat is by Maud Roser, white piqué, banded with navy-blue chiffon.” She also taught fashion illustration starting near the end of the 1940s at the Art Students League, and continuing there for 20 years.
She edited several of her second husband"s books
She also illustrated a Dior dress for Vogue published March 1, 1955 shown here.