Srnec was one of the founding members of the Exat 51 group whose active members between 1950 and 1956 were the architects Vjenceslav Richter, Bernardo Bernardi, Zdravko Bregovac, Božidar Rašica and Vladimir Zaharović and the painters Vlado Kristl and Ivan Picelj.

In 1953, he designed his first kinetic objects entitled, Space Modulator, while in 1956, he began his experiments with moving sculptures and reliefs.

From 1962, he became involved with luminal-kinetic experiments, for example Luminoplastic I, and from 1968, he began making "ambience art".

[2] In the period from 1974 to 1977, he returned to making kinetic sculptures in highly polished metals.

He exhibited at many shows in Croatia and abroad: Zagreb (1953, 1967, 1969, 1971, 1978, 1979, 1983, 1992), Belgrade (1953, 1956, 1968, 1971), Banja Luka (1972), Paris (1959), London (1960, 1961) and Mannheim (1971).