Neither a Spirograph, nor computer generated! I wanted to see how detailed I could hand draw a Zen Doodle Mandela. I got out my tiniest fine line marker (.005), and spent about 10-12 hours of the last two days doing this. (That's quite a bit of time, for one of my Doodles.)
I wasn't going so much for artistic style, as much as just seeing how much I could fit on one piece of paper. It's not intended to be an "Eye", but it kinda resembles one, to me...
[Edit] Now in LIVING COLOR!
I am definitely satisfied with it!
Approx 8.5x11", on 9 x 12" Sketch paper.
Circles and straight edge lines used only for visual reference and spacing. Completely hand drawn, and no tracing.
I can't wait to add COLOR to it!! I bought a set of ultra fine color markers, just for this one.