Three-dimensional model saved in the RenderWare binary stream format; used by various CAD programs and 3D games, such as Grand Theft Auto 3 (GTA3); organized into multiple sections that describe the geometry and materials that compose the model.
Program(s) that open dff files
Windows: ZModeler; RW Analyze
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/dff
