Space is one of the artistic concepts that has influenced the arena of artistic creativity in post-modern arts. Since the beginning of the twenty-first century, the arts have taken a new curve in the production of plastic artistic works and taken the concept of space as a starting point for plastic creations. The concept of space has undergone developments in terms of artistic approach as a result of the technological and scientific development that It was influenced by art in general and design in particular, as this research is based on explaining the importance of illusionary space in the field of decorative design, the concept of shape structure and achieving spatial depth, as well as the relationship between shape and ground. It deals with the definition of research, its problem, objectives, hypotheses, importance and limits, as well as includes the research methodology and definition of terms, concepts and previous studies. And related.