Wouldn't it be easy to just export Antonia's hip as an obj file and remove the poly you don't want and reimport as a prop. it'd have the same UVs as the original figure?

I cannot save the world. Only my little piece of it. If we all act together, we can save the world.--Nelson Mandela
An  inconsistent hobgoblin is the fool of little minds
Taking "Just do it" to a whole new level!