Basic Examples (3) 

Create a Graphics3D expression with various primitives (supported types include Polygon, Cuboid, Cone, Cylinder, Sphere, etc.):

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Graphics3DSketch will convert all obscured lines to dashed lines:

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An additional image effect function can be used on lines in "shadow region":

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Scope (2) 

Graphics3D expressions generated by various 3D-plotting functions can be fed into Graphics3DSketch directly:

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Any image effect can be used on the "shadow region". It will only affect the style of lines:

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Options (2) 

Create a base graphic:

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The option "DashStyle"→{style₁,style₂,…} can be given to alter the style of the lines in the "shadow region":

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The option Lighting can be given to alter the simulated lighting used for coloring the 3D surfaces:

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Possible Issues (2) 

The result of Graphics3DSketch is a raster image rather than an interactive 3D object:

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Due to the image-processing-based working principle of Graphics3DSketch, lines in the "shadow region" are not necessarily hidden in the 3D rendering sense:

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