His architectural sculpture includes interior work at the St. Vitus Cathedral in Prague, the Komerční banka in Náchod (with the architect Pavel Janák) and a relief for a 1935 savings bank in České Budějovice. In 1968, the Council of Czech Jewish Religious Communities commissioned Benda to create a memorial sculpture at the former trade fair building in Prague where most of the Jews of Prague were rounded up by the Nazis and deported to Terezín, onward to Theresienstadt and other concentration camps.
Benda's artistic contributions include interior work at the St. Vitus Cathedral in Prague, the Komerční banka in Náchod (co-designed with Pavel Janák), and a relief for a 1935 savings bank in České Budějovice. In 1968, the Council of Czech Jewish Religious Communities commissioned Benda to create a memorial sculpture at the former trade fair building in Prague where most Jews were arrested by the Nazis.