When the School of Arts, SILPAKORN, has been upgraded as a university in 1943, the School offered only one faculty, Painting and Sculpture, the decorative interior was contained as a program. Some graduated students chose an interior career and became moderately successful. At that time, Thai society needs more interior designers.
Professor Sila Perasri, dean of faculty of Painting and Sculpture, at that period, deliberated with HRH prince professor Yajai Jittrapong, Associated professor Poonsawat Kritdakorn, and HRH prince Chalermsamai Kritdakorn, who were Officials in the Department of Fine Arts and co-professors in decorative art.
They established a curriculum and project of decorative Art Faculty, which was the fourth one of SILPAKORN University in 1956. Professor Sila Pirasri took a post of dean.