TriLib 2 is a cross-platform runtime 3D model importer. TriLib can help you add modding functionality to your games, create level/scene editors, create AR/VR visualizations, and more!
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TriLib 2 – Model Loading Package v2.5.7 (Latest version)
TriLib 2 – Model Loading Package v2.5.5 (30 Apr 2025)
TriLib 2 – Model Loading Package v2.4.4
TriLib 2 – Model Loading Package v2.3.8
TriLib 2 – Model Loading Package v2.2.1
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TriLib is a cross-platform runtime 3D model importer
FBX, OBJ, GLTF2, STL, PLY, 3MF, and ZIP files support
Cross-platform: Windows, Mac, Linux, UWP, Android, WebGL, and iOS
Import models from file-system, web, or any custom source
Mesh importing
Animation importing
Material importing
Texture importing
Avatar creation
Legacy-to-Humanoid animation retargeting
Highly customizable
No native-plugin dependencies (Written in C#)
Commented source-code
Various samples
A complete PBR model viewer included
A cross-platform file browser included
Web Demos
Model Viewer
Avatar Loader
Package Content Description
TriLibCore: TriLib core features
TriLibSamples: TriLib samples (optional)
TriLibStandaloneFileBrowser: File Browser model loading classes (optional)
TriLibUniversalRP: UniversalRP Render Pipeline classes (optional)
TriLibHDRP: HDRP Render Pipeline classes (optional)
TriLibGltfDraco: GLTF Draco Decoder classes (optional)
TriLib uses
A. StbImageSharp
Public Domain
Roman Shapiro
B. LibTessDotNet
SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
Rémi Gillig
C. SharpZipLib
MIT License (MIT)
Copyright (c) 2000-2016 SharpZipLib Contributors
D. ANTLR 4
BSD License
Copyright (c) 2012 Terence Parr and Sam Harwell
E. GltfLoader
3-Clause BSD License
Copyright (c) 2015, Matthew and Xueru McMullan All rights reserved
F. Newtonsoft.Json for Unity
MIT License (MIT)
Copyright (c) 2019 Kalle Jillheden (jilleJr)
Original NewtownSoft.Json
MIT License (MIT)
Copyright (c) 2007 James Newton-King
G. StandaloneFileBrowser
MIT License (MIT)
Copyright (c) Gökhan Gökçe
H. Open Sans Font
Apache License
Copyright (c) Steve Matteson
I. Android Native File Picker
MIT License
Süleyman Yasir KULA
J. IxMilia.ThreeMf
MIT License
Copyright (c) IxMilia
K. GTLF Draco Decoder
Apache License
Copyright (c) Google
