Quote - My favorite UV mapping was V3 and M3, had no prob;ems with them.

 

Yeah, but they're not square maps, and in order for UVs to work across the board they need to be square. 256 x 256, 512 x 512, 1024 x 1024, etc. 

Poser may not have a problem with non-square maps, but other apps do. 

 

~Shane