In 1967 (25 February – 5 April) she was a part of an exhibition of artist-decorated cars entitled 'Cinq voitures personnalis"é"es par cinq artistes contemporains' ('Five Cars Personalized by Five Contemporary Artists') organized by the journal R"é"alités as a fundraiser for French medical research. She designed the pattern for a Matra 530 by experimenting with optical effects causing the car to recompose the pattern into a light blue shade when in motion 'so as not to attract other drivers' attention to the point of causing accidents through distraction.'