3D file formats store geometry, materials, textures, lighting data, and scene information used in architectural visualization workflows.
Different types of 3D file formats are optimized for different tasks:
- Exchange between software
- CAD documentation
- Animation
- Web visualization
- 3D printing
Understanding universal 3D file format compatibility is essential when moving assets between modeling and rendering software.
.FBX (Filmbox)
FBX is one of the most widely used universal 3D file format standards. It supports geometry, cameras, materials, and animation data.
Architectural studios frequently use FBX to transfer scenes between 3ds Max, Blender, Unreal Engine, and Maya.
.OBJ (Wavefront)
OBJ is a lightweight 3D file format designed primarily for static geometry exchange. It is simple, widely supported, and ideal for transferring models between platforms.
.DWG and .DXF
DWG and DXF are standard 3D CAD file formats associated with AutoCAD workflows.
Architects commonly use them for:
- Floor plans
- Technical drawings
- CAD imports
- BIM coordination
.SKP
SKP is the native SketchUp 3D file format. It is optimized for conceptual architectural modeling and integrates with many rendering engines.
.3DS
3DS is an older Autodesk 3D format that still appears in legacy visualization pipelines.
.STL
STL is primarily used for 3D printing workflows rather than photorealistic rendering.
.GLTF and .GLB
GLTF and GLB formats are optimized for web visualization, AR, and VR experiences. They are increasingly important in interactive architectural presentations.
For a deeper breakdown of 3D file formats, read our complete guide to 3D file formats.