Formatguide
The game and VFX industry standard for animated 3D assets — mesh, skeleton, and animation in one file.
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| Extension | .fbx |
|---|---|
| Full name | Filmbox |
| Developer | Autodesk (acquired from Kaydara) |
| Geometry type | Polygon mesh |
| Open standard | No — proprietary Autodesk format |
| Supports animations | Yes — skeletal, morph target, blend shapes |
| Supports materials | Yes — Phong, Lambert, PBR |
| Supports assemblies | Yes — scene hierarchy, instancing |
FBX (Filmbox) was acquired by Autodesk in 2006. It stores mesh geometry, materials, textures, skeleton rigs, blend shapes, animation curves and scene hierarchy. FBX is dominant in game development and VFX because it preserves animation rigs and morph targets when transferring between tools.
FBX is the primary format for importing animated characters and rigged assets into Unity and Unreal Engine.
FBX is the standard interchange format between Maya, Houdini, Cinema 4D and compositing pipelines.
Architectural scenes are exchanged between Revit, SketchUp, 3ds Max and Lumion in FBX format.
Maya, 3ds Max, Cinema 4D, Blender, Unity, Unreal Engine, MotionBuilder, Houdini, Revit, SketchUp and most major 3D tools via Autodesk FBX SDK.
Commonly converted from STEP or OBJ for game pipeline import, to glTF/GLB for web and AR, or to OBJ for renderers without FBX support.