I put about 2-3 hours of work into this (it took me a good half hour or more just to plot out the circular grid), so I figured it warranted posting. This will be used in a picture I\'m currently working on.
For anyone interested in doing your own knotwork, i recommend Celtic Knotwork Designs
by Sheila Sturrock. That\'s what I used, and it\'s pretty easy to do. Just time consuming.