Type: 
    Extension: NFF
      Version: 
  Compression:
  Color Depth:
   Maintainer: Eric Haines &lterich@eye.com&gt
Specification: http://www.mediatel.lu/mmedia/render/h_nff.html

NFF is a minimal scene description language used to test rendering algorithms
and efficiency schemes. It supports basic geometry of objects, surface
characteristics, placement of lights, color of objects, and the viewing angle
of the human eye. NFF is ASCII-based and is used with the Standard Procedural
Database (SPD) software package used for creating databases for testing
rendering schemes.

The specification for NFF is available on numerous FTP sites which archive
file format documents, such as:

  ftp://zamenhof.cs.rice.edu/pub/

and is available along with the SPD test programs, which produce NFF objects:

  ftp://ftp.princeton.edu/pub/Graphics/

You may also contact the author of NFF:

  Eric Haines
  3D/Eye Inc.
  1050 Craft Road
  Ithica, NY 14850
  Email: erich@eye.com