Hundertwasser Art Wall Calendar 2013 Hundertwasser Art Wall Calendar 2013 Format: Wall Calendar Size Closed: 12 " x 12" (Approx) You can look but I know you wont find any. Friedenreich Hundertwasser pictures feature curved lines, bold colors and unique images, but virtually NO straight lines. As a contemporary Austrian painter, Hundertwasser's paintings are filled with bright colors and organic forms, designed to show humans reconciling with nature. The 12 images of this calendar wont disappoint fans of his artwork.