Value Practice
This illustration gives you the major value changes that occur on a sphere.
1 = The highlight. This is the brightest spot on the object where the light strikes the surface with greatest intensity.
2 = The light. This area represents the surface of the object that is in the path of the light rays.
3 = The shadow. Here the surface begins to move away from the light source.
4 = The core of the shadow. This area of the surface’s shadow is furthest away from the light.
5 = Reflected light. Think of light rays as billiard balls. When they strike a surface, they bounce away at an angle. Here, light rays have hit the table and have bounced back onto this surface of the ball.
6 = The cast shadow. This is a very important part of the value pattern since it creates the illusion that the ball is a solid object that has gotten in the way of the light, casting a shadow on the table. This detail creates a convincing illusion that the drawn object is three-dimensional.
Here’s a chance to practice values and see the lights and darks on objects like artists do. Practice using a simple pencil to made as many different shades of gray as you can. A good way to do this is to feel the pressure of your pencil. More pressure will create darker grays. Make short strokes called “hatching” to slowly build up the darkness with your pencil. On a smooth round surface, values gently move from lighter to darker. Can you make this flat shape into a round ball with value illusions?
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PRIVACY POLICY • © CK ROEMER 2007
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