Swan- The Intelligent Picture Book. Brain Tester Series

Single line drawings are very easy to create. They are also called one line drawings. They are created with a single stroke of hand. Because of this simplicity of theirs and also due to the limitations in their scope for expression, they are usually created with pencils, pens, quills, crayons and wax, not with painting brushes. Painting brushes need more strokes of the hand to finish a picture. They are generally meant to create depth in pictures through colours. Paintings enjoy much freedo...