What? I don't think that can be right, as I'm pretty sure Mental Ray has been around a lot longer (since the late '80s) than both 3DS MAX and Windows NT have. IIRC, Softimage running on IRIX/Solaris was the first major 3D package to integrate and bundle Mental Ray.ezekielrage_99 said:Mental Ray was intially designed and developed for 3D Studio MAX on Windows NT systems.