OBJ (or .OBJ) is a geometry definition file format first developed by Wavefront Technologies for its Advanced Visualizer animation package.
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The Material Template Library format (MTL) is a standard defined by Wavefront Technologies for ASCII files that define the light reflecting properties of a surface for the purposes of computer rendering, and according to the Phong reflection model.
File Transfer Protocol | Tagged Image File Format | Wavefront Technologies | Network File System (protocol) | Computer file | File system | file format | BMP file format | SSH File Transfer Protocol | Network File System | file system | file sharing | File format | ZIP (file format) | Unix File System | Trivial File Transfer Protocol | torrent file | The Odessa File | RSS (file format) | QWK (file format) | Macintosh File System | Journaling file system | file transfer protocol | File system permissions | The File on Thelma Jordon | Module file | MOD (file format) | List of file formats | Hierarchical File System | Google File System |