Quartz Composition. This study utilizes the newly released CoGePSBrushes beta plugin from Tamas Nagy and incorporates dual instances of a variation on Iterator - Transparency.qtz from the Conceptual folder of the Quartz Composer developer compositions.
The CoGePSBrushes beta plugin is available on the coge.lovqc.hu/forum. The Photoshop brush files Brushed Ink and Finger Paints from juiceboxvisual.net were utilized. Recorded with Kineme QuartzCrystal.