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“In the real world there are many tones, from white at one extreme, through a large number of medium tones to black at the other extreme. To achieve a three-dimensional effect on paper you need just three - white, black and medium gray.” — Stan Smith
In the real world there are many tones, from white at one extreme, through a large number of medium tones to black at the other extreme. To achieve a three-dimensional effect on paper you need just three - white, black and medium gray.