### You are viewing a page indexed by search engine. All comments on the topic are put together without order and may be confusing to read. To see organized discussion click here. ###

The variety of form in nature can only be imitated by a corresponding variety in lines used in their delineation. Light and shade give to drawing and painting the expression of form, and impression that the eye is looking not at the flat canvas or paper but at the natural three dimensional objects. Light and shade in drawing.