M.A. Dagmar Petrovicka (*1987) aka Duck Mare graduated in years 2002 – 2006 at The High School of Applied Arts for Glassmaking in Železný Brod in Glass shaping, painting and etching studio, lead by Jiri Kucera and Petra Kucerova (studio Cave Canem). In years 2006 – 2013 she studied at Glass studio in FAD UJEP in Ústí nad Labem, lead by Doc. ak. mal. Ilja Bilek. During studies she received grants for internships. In 2008 – 2009 she attended Glass design studio, lead by Gyorgy Gaspar at MOME in Budapest. In 2011 Painting studio, lead by Gioacchino Pontrelli at RUFA in Rome and in 2012 – 2013 she attended working placement in Lighting Design Institute Ilo in Amsterdam, lead by Henk van der Geest. From 2011 Dagmar started cooperate with Eva Novakova and Irena Czepcova. They focus mainly on glass installations and light design. In year 2015 they jointly established the company penocze ltd. From year 2014 She is also working for Glass Art Centre, Glassworks Frantisek in Sazava as a Specialist of Documentation Centre and she deals with her own artwork withal.

Dagmar finds inspiration most in texts, interviews or in the literature. She draws mainly from her own thought processes of different situations, states and feelings. Also she draws on graphic communication and minimalism. She is looking for beauty and higher meaning in simple formats and industrial materials.