hmm, about the helmet...
the tuturial would be really long so, i will post the link when ready.
And i will also post a link to the object(.asci) can be used in maya.....so you can texture it yourself
the tut above may have some problems 1.bolean intersect must be difference
2.maybe the boolean crashes and the object disapears....
Im having a go at the helmet and i think i can finish it saturday...so then the maya ascii file will be ready for downloading