Ah I understand what you mean now, he's saved the texture space by overlapping the UV's instead of using islands, that can be easily fixed by remapping, but I get what you mean it makes it hard to retexture yourself.
Stick with it mate gg's getting better all the time, you just need to be patient. There are things that need addressing, and once DX11 and FBX importing updates done it should be better. I think Lee is planning to do a bit of the backlog of bug fixes after DX11 is out. So hang in there, don't go running out on us
If I get time this weekend I'll take a look at those models and see if I can remap them for you.
Edit: are you sure it was one of Dave's models (Granada)? I've been through all of his threads and can't find any Egyptian models, do you have a link to the models?
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