When you draw something that should be sticking out of the page, like a nose, if it looks like the paper is no longer flat, and the nose could really be sticking out of the paper, then it has POP. This is achieved by careful rendering of light and shadow.
A piece of paper only has horizontal and vertical coordinates. It therefore only has two dimensions, but we can use shading, highlights, focus and blur to create the illusion of a third dimension perpendicular to the page. This really is an illusion. The paper is flat, but the mind is accustomed to seeing certain shadows and highlights in certain arrangements on a real three dimensional surface. When we successfully emulate this in a drawing, the effect is to trick the mind into appreciating this third dimension. Part of this is simply because the sun is above, and shadows are underneath objects.
(C) Jeremy Lee 2010, all rights reserved.
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spOOk's art is owned by Jeremy. He has practiced drawing and painting for about 40 years, and might get good at it one day. spOOk's art is focused on graphite portraits.