File Extension Library

.TRI File Extension

  • Developer by: Singular Inversions
  • Category: 3D Image Files
  • Format: Binary

What is an .TRI file?

.TRI file extension is created by Singular Inversions. .TRI has been classified as 3D Image Files. The format of .TRI file is Binary.

.TRI is FaceGen Polygonal Model 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.

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

List of all softwares that can open the FaceGen Polygonal Model File
Singular Inversions FaceGen Modeller
Singular Inversions FaceGen Customizer
Bethesda Softworks Fallout 3
Bethesda Softworks The Elder Scrolls 4: Oblivion
File Type 2 Triangle Mesh File
Category: 3D Image Files Format: Text

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.

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.

List of all softwares that can open the Triangle Mesh File
Microsoft Notepad
Apple TextEdit
GNU Emacs

How to Open .TRI file on different platforms

Open .TRI File on Windows

  • Right-click a .TRI
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .TRI file and Select check box "Always use this app to open .TRI files" Press "Ok"

Open .TRI File on Mac

  • Right-click (or Ctrl + Left-click) the .TRI file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .TRI File on Linux

Right click on the .TRI file, choose "Open with" and select a program from the list above

Open .TRI File on iPhone

Select a file. If you don't see an application to open the .TRI file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .TRI File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .TRI files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .TRI files

  1. You need to update the application that you normally use to open .TRI files. Only the latest version of the software supports the current .TRI file format
  2. You need to check the .TRI file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)