How To : Adobe Illustrator Geometric Art. This is a very interesting type of art. I do like how it uses simple shapes to create a portrait. I know for a fact that you can do this easily in Photoshop with one of the brush tools.
This sequence of work (primarily Kate Powell A Level Art sketchbook pages) shows experimentation with media and the exploration of compositional ideas. Artist influences are chosen cleverly: seamlessly integrating with her own aesthetic.