Hatching uses lines to describe an object’s form and to suggest shadows. The lines can vary in thickness to indicate changes in the object’s form or intensity of shadows. You can also use simple hatch lines to suggest the inner contours of your figures; however, simple hatching should be done sparingly—it can give your work a tedious appearance. Pens are the best tools for hatching.
Introduce hatch lines at different angles to build up shadowing or ...