Flamingo is a plugin for the Rhinoceros 3D modelling software which adds raytracing and radiosity functionality. Rhinoceros (Rhino is a stand-alone commercial NURBS -based 3-D modeling tool developed by Robert McNeel & Associates Radiosity is a Global illumination Algorithm used in 3D computer graphics rendering. It is developed by the creators of Rhinoceros, Robert McNeel & Associates and sold both separately (although it requires Rhinoceros to work) and as a bundle with the Rhinoceros software.