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A light sensing system captures the image and sends the data to a lineal array of solenoids that traces lines over the layer of silica sand. The piece comprises a 3,000 pounds per inch motor, a water container, two water tanks, two concave lenses, an ink deposit, two mirrors, an ink dispenser system, 30 solenoids, 30 photocells, three microcontrollers, custom circuitry and a slab of walnut wood. The piece is 78 inches long, 98 inches wide and 90 inches high.

Detail of Tracing Head and Erasing Arm

"Water Traces" on PS122 Gallery in New York

Still image from Ink Dripping ten minute cycle