Ilvessalo was a leader in the Friends of Finnish Handicraft association during the period of 1947 to 1952. Subsequently, she opened her own textile studio. She taught textile composition at the School of Art and Design in 1947–1960. She was best known for her ryijy, which appeared in several foreign museums (including the Victoria and Albert Museum[1] in London and the Nationalmuseum[2] in Stockholm). She also composed and manufactured interior textiles for a number of public buildings. She also designed jewelry[3] and wallpaper.
Ilvessalo won the gold medal at the Triennale di Milano in 1951 and 1960 as well as the Grand Prix in 1954. In 1979, she was awarded the Order of the Lion of Finland.[4] She died on 5 July 2019.[5]
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