The document outlines the scoring guidelines for the 3-D Design portfolio submission for the AP Studio Art exam. It describes the three sections that will be scored: 1) Quality of five 3-D works demonstrating mastery of design principles, 2) Concentration on a unified body of work investigating an underlying idea, and 3) Breadth of understanding different design principles through a variety of works. Each section lists key descriptors that will be considered in determining the score, such as use of elements, decision making, originality, technical skill, and activation of physical space.