"A drawing of a person is not a real person but a drawing of a line is a real line." -- Sol LeWitt Compare these two drawings of a Dutch sky: Rembrandt Franklin Booth In nature the sky has no black lines (or any lines at all, apart from the outlines of clouds) so both artists are taking liberties when conveying sky with a tool that only makes black lines. How have they used that liberty? Booth uses a series of uniform, closely drawn parallel lines of constant width, to create a gray tone...
