How to Begin drawing using direct light

How do you draw an object to look three dimensional? After blocking out the silhouette of a form, you can begin to render it's three dimensional qualities. An easy way to begin giving an object sculptural form is to think about where the light is coming from. Note the lightest points and the darkest points on your object to begin creating shading and contrast. Watch this three part instructional drawing video to begin drawing using direct lighting.