
What is a pencil?
A Pencil is a writing tool constructed with a core of solid pigment, either black or colored, encased by a protective layer of wood or composite material. Pencils leave marks on paper by leaving part of the core pigment on the surface.
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ARTWORKS RELATED TO PENCIL

A visual art style that makes use of optical illusions. The works of opt art are abstract and many of the known pieces are the black & white. They typically give a movement, vibrating patterns, flashing and hidden images impression to the viewer. Op art antecedents can be traced back with respect to color effects and graphics to Futurism, Constructivism, Dada and Neo impressionism.