Petra Wallin er en autodidakt kunstner, der finder sin inspiration i den moderne verden. Hun har deltaget i Liljevalch's Spring Salon to gange, Miss Clara udstillingen med temaet “The art of being a women” og haft en soloudstilling på Parapix.
"Women and men are equal, few would say otherwise. Nevertheless, in our culture of ideas and in our language, there are built-in expressions for the opposite. Male attributes symbolize power and forward thinking, females the opposite - in my works I want to turn the concepts around".