"Illustrating the rule that an inclined illuminated surface is lightest nearest the eye and an inclined…
An example of the cylinder shaded by lines. The area without lines are where the light hit the cylinder.…
"A row of cylinders of different sizes. The effect of polish is given by leaving several brilliant lines,…
An illustration of even line shading using ruled lines. Lined shading is commonly used in patents.
An illustration of creating a line shading from dark to light. The lines are gradually become thin.…
An exercise in creating a line shading, where the line is becoming thicker. The pen is slightly changed…