The Complete Inventor to DGN Conversion Guide

August 05, 2025

General Information

This guide is part of the RapidPipeline 3D Formats Knowledge Database. It shows how to convert Inventor to DGN, if you'd like to know more about the formats, please check out the following links:

Converting and Optimizing Inventor Files to DGN

RapidPipeline can import Inventor files, but currently doesn't support exporting to DGN format yet.

If you specifically need DGN export functionality for your workflow, please feel free to get in touch with us - we'd be happy to discuss your requirements and potential timeline for adding this export capability.

If you need, you can import DGN files and convert them to any of these 8 formats: FBX, glTF, OBJ, PLY, STL, USD, USDZ, and VRM.

In the meantime, you can explore other options on the 3D Formats Knowledge Database, which might serve as suitable alternatives for your workflow depending on your target applications and use cases.

What are Inventor and DGN files commonly used for?

The Inventor file is a format mostly used for Professional 3D CAD software for mechanical design, simulation, visualization, and documentation.
The DGN file is a format mostly used for CAD and infrastructure design data.

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Comparison of Features Supported by Inventor and DGN

FeatureSupported by InventorSupported by DGN
Morph TargetsNoNo
Rigid AnimationsPartial0Partial1
Skinned AnimationsNoNo
AnimationsPartial2Partial3
Free-Form SurfacesYesYes
Geometry CompressionNoNo
Quad MeshesYesYes
Basic 3D GeometryYesYes
PBR MaterialsPartial4Partial5
Transparent MaterialsYesYes
Vertex ColorsPartial6Yes
MaterialsYesYes
Scene CompositionYesYes
Hierarchical Scene GraphYesYes
Scene NodesYesYes
Standardized FormatPartial7Partial8
Embedded TexturesPartial9Partial10
Multiple UV ChannelsPartial11Partial12
Normal MappingNoPartial13
Procedural TexturesNoNo
Texture CompressionNoNo
Texture TransformsPartial14Yes
TexturingPartial15Yes

0 - Supports rigid body animations for mechanical assemblies, motion studies, and presentation purposes to demonstrate product functionality.
1 - Basic animation for construction sequencing
2 - Basic animation capabilities for assembly motion studies, presentations, and design validation rather than complex character or organic animations.
3 - Simple animation support for design sequences
4 - Basic physically-based rendering material support through appearance properties for realistic visualization and presentation.
5 - Limited PBR support in newer versions
6 - Limited per-vertex color support, primarily through part coloring and display properties rather than detailed vertex color manipulation.
7 - Uses proprietary Inventor file formats but provides extensive import/export capabilities for industry standards like STEP, IGES, and other CAD formats for interoperability.
8 - Open specification with some proprietary extensions
9 - Textures can be included with material definitions but with limited embedding capabilities compared to graphics-focused formats.
10 - Textures can be referenced or embedded
11 - Basic UV mapping support through material assignments, focused on mechanical visualization rather than complex mapping workflows.
12 - Limited multi-texturing capabilities
13 - Basic normal mapping for visualization
14 - Limited texture transformation support mainly through material properties and visual styles for presentation purposes.
15 - Basic texture mapping capabilities primarily for visualization and rendering purposes through material assignments and appearance properties.

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Limitations of Inventor Files to DGN Conversion Workflow

The following limitations should be taken into account when converting Inventor files to DGN format:

Inventor Feature (not supported by DGN)Limitation Details

What's the best way to get Inventor files into my 3D applications, and are there alternatives to using DGN?

Doing 3D conversion right, especially at scale, can be tricky, as 3D data is in general a rather complex (yet very powerful!) medium. This also applies to Inventor and DGN files - the conversion guide above provides a rough first idea about that. Once you know what you would like to do, tools like RapidPipeline can help you perform the necessary steps, and to even automate the process for thousands or even millions of files.

Especially when introducing pipelines and workflows at scale in an enterprise context, it is usually good to rely on dedicated tools and expertise, making sure you do not introduce any steps into your 3D workflow that are detrimental to the final output's quality, or that take your team too much time (and money).

If you're interested to hire dedicated expertise from the best in the field to help your company reach your goals fast and reliably, please do not hestitate to contact DGG. Being the creators of RapidPipeline, and ambassadors for open 3D standards for more than a decade, we have been building some of the world's most advanced 3D pipelines, having processed many millions of 3D assets.

Therefore, our expertise will help you to reach your goals faster, at scale, and with the least possible friction, since we are focused on maximum interoperability.

To get started with 3D data conversion and optimization today, sign up for a free account!

If you have any questions, feel free to chat with our human team.

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Meet the Author

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3D Knowledge Team

3D Technical Artists

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