f3d-app/f3d F3D (pronounced `/fɛd/`) is a fast and minimalist 3D viewer desktop application. It supports many file formats, from digital content to scientific datasets (including glTF, USD, STL, STEP, PLY, OBJ, FBX, Alembic), can show animations and support thumbnails and many rendering and texturing options including real time physically based rendering and raytracing. It is fully controllable from the command line and support configuration files. It can provide thumbnails, support interactive hotkeys, drag and drop and integration into file managers. F3D also contains the libf3d, a simple library to render meshes, with a C++17 API, C, Python, Java and Javascript Bindings. Support for ABC file format Support for FBX, DAE, OFF, DXF, X and 3MF file formats Support for clipboard interaction using provided clip Support for DRC file format Support for encoding animations to video files with media-video/ffmpeg Support for VTKHDF (.vtkhdf), ExodusII (.ex2), and NetCDF (.nc) file formats Support for ImGui widgets Support for STEP, IGES, BREP, and XBF file formats Support for VDB file format Support for Point Cloud file formats Support for raytracing rendering Support for USD file format Support for IFC file format