I'm glad you told me the back was a cat. From that picture I thought it was a facehugger from Alien, but I see it as a cat now!
You just made me watch Alien.
Nice work. I never could string one of those things sucessfully.
I used the guide from here http://cube.garron.us/magic_old.htm
(which, in turn, used the guide on Jaap's puzzle page).