She has exhibited at more than 100 exhibitions, including in Italy, Austria, Germany, Netherlands, Denmark, United Kingdom, Spain, Croatia, Serbia and Columbia.
She has also participated in the organization of several projects, such as BREAK 21, BIO 19, GIDE, Group for International Design Education, several round tables on contemporary jewellery, design management … within the Bilateral Focus and Bilateral DOS exhibitions.
She was the founder and president of the Slovenian Association for Contemporary Jewellery (2003–2015) and since 2013 has been president of the Section for Unique Design of the Designers Society of Slovenia (DOS).
In the field of academic research, she has participated in numerous international conferences, been co-editor of several publications, and a mentor of first and second degree dissertations in design.
Her doctoral thesis is on jewellery as art, investigating different artistic theories, and philosophical and sociological aspects of art jewellery. She is the author of the book Jewellery as Art, which is a short reflection on artistic jewellery as well as many other articles about jewellery, art and design.
Petra became a beekeeper and a member of the Slovenian Beekeepers ‘Association in 2020, when she fell in love with bees. She is the curator and author of the new permanent exhibition at the Museum of Apiculture and the beautiful book Living Together. About Bees and Mankind.