Best way to UV unwrap a hole in the shape of a triangle? I need to unwrap this shape and I have problems with triangle holes in it.






How can I unwrap this overlapping edges without stretching my whole UV map? 

FBX file: https://drive.google.com/file/d/0B4vQRwTIaF08QnA5NXhzai1jQkU/view?usp=sharing
I would cut out the whole "X section" and cut off two of the legs.