Cross hatching is the same as hatching besides the lines cross more than one another. The greater the strains cross, the darker the value. Cross hatching may be used with rigid straight strains or as cross contour strains to outline the form of the thing. Contour shading is effective https://trevorlanyk.buyoutblog.com/36283656/ink-pen-drawing-techniques-things-to-know-before-you-buy