F3D (pronounced `/fɛd/`) is a fast and minimalist 3D viewer desktop application.
F3D also contains the libf3d, a simple library to render meshes, with a C++17 API, Python Bindings, and experimental Java and JavaScript bindings.
This is free and open source software.
Key Features
- Supports many file formats, from digital content to scientific datasets (including glTF, USD, STL, STEP, PLY, OBJ, FBX, and Alembic).
- Play animations for any supported files that contain them. You can also use the command line to play animations.
- Supports thumbnails.
- Many rendering and texturing options including real time physically based rendering and raytracing are supported.
- Fully controllable from the command line and support configuration files.
- Specify a colormap.
- Supports interactive hotkeys, drag&drop and integration into file managers.
- Cross-platform support – runs under Linux, macOS, and Windows.
Website: github.com/f3d-app/f3d
Support:
Developer: Michael Migliore, Mathieu Westphal
License: BSD 3-Clause “New” or “Revised” License

F3D is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| 3D Model Viewers | |
|---|---|
| ParaView | Data analysis and visualization application based on VTK |
| F3D | Fast and minimalist 3D viewer desktop application |
| MeshLab | Processes and edits 3D triangular meshes |
| Online 3D Viewer | Browser-based application for inspecting 3D models |
| Mayo | 3D CAD viewer and converter |
| fstl | Viewer for .stl files. It uses Qt |
| Castle Model Viewer | Supports 3D and 2D model formats |
| fstl-e | Fork of fstl with some fancy enhancements |
| Exhibit | 3D model viewer for the GNOME desktop |
| Tatlin | 3D STL and Gcode viewer |
| voxcii | Terminal-based ASCII 3D model viewer |
| dcat | Terminal-based 3D model viewer |
| term3d | Terminal-based 3D model viewer |
Read our verdict in the software roundup.
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