The 2D-to-3D Foundation Behind Complex Drawings Good paintings start with good drawings, and a core drawing fundamental is shapes and forms . While shapes and forms are closely related, they are crucially different because shapes are two-dimensional while forms are three-dimensional. On the 2D side, the basic shapes are: Circle Rectangle Triangle When depth is added (on the Z axis), each of these shapes become a 3D form. As Clint outlines in the video, forms are combinations of 2D shapes,...