How to shade in drawing to make more realistic.

Shading adds the effect of one more dimensions in the drawings. It is basically the absence of light because of opaqueness of the object. As the light restricts and cast a shadow of the object. The location of light source is very critical in order to cast right shading. The concentration of the shading also matters a lot. Therefore for making a realistic drawing shading must be mastered. 

In the following two videos the basic skills of the shading are discussed. The demonstrator also taught simple tips to make the drawing more realistic. I hope these will be quite beneficial and interesting. 

Video 1:

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Video 2:

For more such shading and other drawing skills Click Here.