Home : File Types : TRI File

.TRI File Extension

File Type 1FaceGen Polygonal Model File

DeveloperSingular Inversions
4.3 (9 Votes)
Category3D Image Files

What is a TRI file?

3D model file created by FaceGen, an application used to create 3D human faces; contains a polygonal mesh for a human head; may also contain morphs, which are used for facial animations; often used for creating video game characters.

More Information

TRI files are used by Bethesda Softworks video games such as FallOut 3 and The Elder Scrolls IV: Oblivion.

Open over 300 file formats with File Viewer Plus.
Programs that open TRI files
Updated 12/13/2010

File Type 2Triangle Mesh File

2.0 (1 Vote)
Category3D Image Files

.TRI File Association 2

3D mesh file created in the text-based TRI format; stores the mesh using x, y, z coordinate vertices and triangular polygons, which reference the declared vertices; used for constructing surfaces for 3D models.

More Information

There are some variations of the TRI file format, but the most basic version contains a one-line header followed by the vertices and triangles, where the header specifies the number of vertices and triangles.

TRI files are often used by scientific visualization or molecular modeling applications.

Programs that open TRI files
Updated 12/5/2018

About TRI Files

Our goal is to help you understand what a file with a *.tri suffix is and how to open it.

All file types, file format descriptions, and software programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

If you would like to suggest any additions or updates to this page, please let us know.