I am posting a simple pen and ink of a tree root. Notice how the tendrils of the root reach out and make contact with the border of the composition creating a drawing with a lot of movement.
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Tagged: Creating movement through similarities in drawing, rhythm and repetition, Textural Techniques in Pen & Ink
Notice how in this simple composition how your eye is lead around the composition in an attempt to link similar hook like shapes found in the end of the roots. They create a strong similarity grouping.