Convert DGN to DAE
How to convert DGN CAD files to DAE 3D models using MicroStation, Blender, or SketchUp Pro.

How to convert dgn to dae file
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Understanding dgn and dae file formats
DGN is a CAD file format developed by Bentley Systems, primarily used in MicroStation and other engineering design software. It is widely adopted in infrastructure and civil engineering projects for storing 2D/3D vector graphics and design data.
DAE (Digital Asset Exchange), also known as COLLADA, is an open-standard XML-based file format for exchanging 3D assets between various graphics software. DAE files are commonly used for 3D modeling, animation, and game development, supporting geometry, textures, and scene information.
Why convert dgn to dae?
Converting DGN to DAE allows you to transfer engineering or architectural designs into 3D modeling and animation environments. This is useful for visualization, simulation, or integrating CAD data into game engines and other 3D applications.
How to convert dgn to dae
Direct conversion from DGN to DAE is not always straightforward, as not all software supports both formats natively. The typical workflow involves exporting the DGN file to an intermediate format (like DWG or DXF), then importing it into a 3D modeling tool that supports DAE export.
Recommended software for dgn to dae conversion
- Bentley MicroStation: Open your DGN file, then use File → Export → DWG to save as DWG. Next, import the DWG into a 3D modeling tool like Blender.
- Autodesk AutoCAD: Import the DWG file, then export as DXF if needed. Use Blender or SketchUp for DAE export.
- Blender (free and open-source): Import DWG/DXF using an add-on, then export as DAE via File → Export → Collada (.dae).
- SketchUp Pro: Import DWG/DXF, then export as DAE using File → Export → 3D Model → COLLADA File (*.dae).
Step-by-step conversion process
- Open your DGN file in Bentley MicroStation.
- Export the file as DWG using File → Export → DWG.
- Open Blender or SketchUp Pro.
- Import the DWG/DXF file.
- Export the model as DAE using File → Export → Collada (.dae).
Tips for successful conversion
- Check for geometry or layer issues after each conversion step.
- Preserve textures and materials by ensuring they are supported in the intermediate format.
- Use the latest versions of software for best compatibility.
Conclusion
While there is no direct one-click solution for DGN to DAE conversion, using a combination of Bentley MicroStation, Blender, or SketchUp Pro provides a reliable workflow. Blender is highly recommended for its flexibility and free availability.
Note: This dgn to dae conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.