Answer:
Techniques used for applying shading to an object are quite varied. Each technique produces a different texture and "feel" to the drawing. The drawing medium used may determine the shading technique that is applied in the drawing.
(The most common application techniques include)
Hatching - Lines drawn in the same direction. By drawing lines closer together, darker values are created. Leaving more space between lines results in lighter values. For rounded objects, the lines may curve slightly around the form - following the contours of the object.
Shading with hatching
Cross-Hatching - Lines cross over each other. The density at which the lines cross over each other determines the value that is produced.
Shading with cross hatching
Blending - Smooth gradations of value are produced either by adjusting the amount of pressure applied to the medium or by using a blending tool, such a blending stump.
Blending
Rendering - Using an eraser to remove the medium to produce lighter values. This technique is typically used in conjunction with blending.
Rendering
Random lines - Loose applications of crossing lines. The frequency in which the lines cross over each determines the value produced.
Random lines
Stippling - Applying countless small dots to build up darker values in a drawing. The density of the dots determines the value produced.
Explanation:
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