The artist combines patterns from the micro- and macrocosm, abstraction and figuration, movement and geometric patterns. One example dates from 1996: Brigitta Malche conceived and curated an exhibition titled "Fragile – Handle with Care" from the paintings collection of the Akademie der bildenden Künste (Academy of Fine Arts) in Vienna. She invited 14 colleagues to select an old master from the collection and to submit an art work of their own in response to the painting. With her own contribution, she transformed the baroque opulence of Nicola Malinconico's magnificent still life into intangible sensuality by transforming the motif of the watermelon into a cosmically exploding installation of colour and light. During her studies Malche was introduced to the Dutch old master techniques. After creating constructive paintings with acrylic on canvas for her first exhibitions, she later went back to traditional painting techniques with gouache and oil paints. Today she mainly paints with egg tempera she makes herself, to create multi-layered, translucent pictures. From 1971 to 1980 the artist exhibited in Geneva, Zurich and Vienna. The fact that she encountered the Zurich tradition of concrete art was evident in her first exhibition at the Galerie Palette in Zurich. Her works in the primary colours of red, blue, and yellow were influenced by Piet Mondrian's concept of the "pure relationship of pure lines and colours. Nevertheless, the artist never saw herself as a concrete artist, especially since she emotionalized her angular picture constructions with curves and shadows. The art historian and museum director Erika Billeter said: "If Brigitta Malche’s work is to be categorised in modern art, we must think back to Léger and Mondrian. This is where her roots lie. The constructive basis is infused with abbreviations of different cultures’ architectural components. Columns, volutes and architraves can clearly be seen. Her compositions, however, do not depict architectural details, but reflect them". Richard Paul Lohse, one of the leaders of concrete and constructive art, wrote in the foreword to Malche's catalogue for her exhibition in 1978 at the Schlégl Gallery in Zurich: "A consistent attitude characterizes her current period of rectangular bar grids. Formulations in the tradition of Cubism’s architectural and machine vocabulary still characterized recent images. All the more remarkable is her current intention to abandon the conventional path of diversity of form and to take the more difficult path of right angles, where imagination adds so much while realisation minimises everything".