Faini's works bear the usual characteristics of the ideas of Social Realism, the prevalent theme of his generation.
Other notable contemporaries included Eduardo Kingman, Bolívar Mena Franco, Oswaldo Guayasamín and Diogenes Paredes.
It was there that he began to create expressionistic works, a change brought about by the strong influence of Hans Michaelson.
These included Theo Constanté, Luis Miranda, José Carreño and Juan Villafuerte.
Peculiar characteristics emerged in his works during this period, but they continued to bear his unique spiritual and poetic inspiration.