piirtämänsä
piirtämänsä is a Finnish word that translates to "that which has been drawn" or "drawn by him/her/them." It is the past passive participle of the verb piirtää, meaning "to draw." This form indicates that the drawing was done by a specific, though unnamed, subject. It is often used in sentences where the focus is on the object that has been drawn, rather than the person who did the drawing.
For example, in the sentence "Näin piirtämänsä kuvan," which means "I saw the picture drawn by him/her/them,"