Sarah Shriver is directly responsible for many of the kaleidoscope cane freaks out there. Sarah makes it look disceptively easy and few artists reach her level of balance between chaos and control in their work.
As entertainment and practice for those who can't get enough of repeating patterns, I recommend you go to this site and play for a while. Have a great weekend. I'll be on vacation next week and the site will be on auto pilot with some fun posts.