From then he began working freelance, undertaking a commission for the Thuringian Ministry of Economics. In 1931 he did some teaching at the State Academy of Art in Berlin-Schöneberg. From 1935 to 1947 he was the artistic director of the "Vereinigte Lausitzer Glaswerke" (United Lausitzer Glass Works) in Weisswasser. His work won a prize at the 1937 Exposition Internationale des Arts et Techniques dans la Vie Moderne (International Exposition of Art and Technology in Modern Life), and he also won a prize at the 1940 Milan Triennial VII.