What is Flatiron?
Flatiron is a four steps Render To Texture plug-in which is capable of baking full scenes or selections of objects into a single UV Map.
Flatiron is based on the other plugin Unwrella high quality automated unwrapping technology. It is a fast, simple and yet completely configurable automatic unwrapping and baking solution which totally automates and hence greatly speeds up the process of baking complex scenes.