This tutorial is awesome. I have finally got round to making an ANBU mask after years of half arsed attempts!
Photos here: http://www.cosplay.com/gallery/186502/
I used this tutorial for the most part. Using air drying clay and cheap plastic shop bought mask. I wanted to make a Sasuke ANBU mask so I wanted to make it a Hawk rather than a wolf/cat style mask.
I also cut the eye hole to be round, as I think this more accurate for ANBU, rather than the more almond shape of the cheap mask I used as the base. I did this with a drinking straw to cut away the extra once the clay was on teh plastic mask.
I made 4 flat pieces separatly - and let them dry. Then I glued them to the face shaped section. I then used more air drying clay to fill the gaps around the eye holes and the chin. I then formed the curved section of the beak.
I then painted it with acylics; I went for a flame design on the right but a lightening design on the left - but kept them symmetrical.
To prevent the paint running or the mask softening I suggest praying it with a clear varnish. I also foudn that it had a tendancy to crack around the edges, esp near wear the elatic was glue gunned on if you are taking it on and off a lot, so you make want to reinforce this area with an extra layer of whatever air drying clay.
On this note, also CUT AIR HOLE NEAR YOUR NOSE/MOUTH!! I didnt think this through and the first time I wore it I got very light headed and my steamy-breath softened the clay.