It is not a designer Fr. Kardaus. The first co-Ml. Boleslav and the Zwickau in 1967, was the project Trabant P 603 (9 cars were made - 6 engine Skoda 1000 MB, 2 with a Wankel engine and the engine Wartburg.). The second part of the cooperation started in 1970 and produced models with - Š 750/760. In the quest to the Š-720??, the designer who worked on it almost like an Italian Desing, in 1968 - the year before the ID.