Sculptured artwork where a three dimensional form comes out of a flat background is known as a what?

Sculptured artwork where a three-dimensional form emerges from a flat background is known as relief sculpture. This technique can be classified into different types, such as bas-relief (low relief) and alto-relief (high relief), depending on how far the figures project from the background. Relief sculptures are often used in architectural decoration and can depict various subjects, including historical events, figures, or abstract designs.