Go here: royloo.com/free.php

It has some.  Some are better than none.  I've never seen any paid Gundam models.  At least the free Gundams on Royloo's site might be modified by someone with a modelling program, like WIngs3d, also a freebie.

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!