This page contains cloths made using the technique of Illusion Knitting.
Note: This site contains links to other pages related to this technique, including direct links to patterns for cloths and other items listed in PDF format: Shadow or Illusion Web Links
Another site I have found is : Illusion Knits. This is a great introduction to this fascinating knitting technique. The designer also gives instructions for reading charts. A trip to this site will be well worth your while in my opinion.