My drawing gears have a series of holes in them that spiral toward the center of gear. Each pattern is drawn by inserting a pen point into a hole. This drawing alternates black, red and green ink in holes 1,1,2,3,5,8,13,21,34, the beginning of the Fibonacci sequence of numbers.
Fibonacci number sequence of patterns. Drawing is approximately 12 inches in diameter.
Alternating black, red and green ink patterns.
Detail of drawing showing alternating black, red and green ink lines.