The author researches and identifies the resources and compositional mechanisms used by Spanish architect Antoni Bonet i Castellana (Barcelona, 1913-1989) for the design of his architecture, interior spaces and furniture; in particular, with reference to the set of works projected in and from the Río de la Plata. Recurrent aspects are identified (in an evident, incipient and tentative way) that gradually shape the thematic structure of the reflection.