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. Anamorphism is usually considered a form of Illusion or Trompe loeil, but is really the logical mathematical continuation of Perspective...