The following art pictures are 100% hand drawn!! - drawn in 3D on solid ground! - Kurt Wenner is a Master Artist and Master Architect famous for inventing three-dimensional pastel drawings. Also known as: 3D Street Painting, 3D Pavement Art, 3D Chalk Art, or 3D Sidewalk Art, they are a form of anamorphic art. Ana morphism is usually considered a form of Illusion or Trompe loeil, but is really the logical mathematical continuation of Perspective.