Thick & Thin
3wpi : 33 yards
Jacey Boggs has written and demonstrated great tutorials how to master this technique. After years of spinning and controlling your fiber this is hard to do but once you get it, you get it!
Fractal Spun : 2 Ply
10-11 wpi : 233 yards
There is a great Knitty article on Fractal Spinning HERE