Inventor - Format Overview

July 18, 2025

General Information

This guide is part of the RapidPipeline 3D Formats Knowledge Database.

Format NameInventor
Long NameAutodesk Inventor
Extensions.ipt, .iam, .ipn, .idw, .dwg
Internet Media Type (previously MIME)application/inventor, application/x-inventor, application/vnd.autodesk-inventor
Common Use Cases3D Mechanical Design, Parametric Modeling, Product Development, Machine Design, Assembly Design, Sheet Metal Design, Simulation, Manufacturing, Automotive, Aerospace, Industrial Equipment

What is the Inventor format, and what is it used for?

Autodesk Inventor is a computer-aided design application for 3D mechanical design, simulation, visualization, and documentation developed by Autodesk. It provides parametric, direct edit, freeform modeling, and assembly capabilities with integrated tools for machine design, sheet metal, simulation, and manufacturing workflows. It is a file format mostly used for Professional 3D CAD software for mechanical design, simulation, visualization, and documentation.

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Features supported by the Inventor format

FeatureSupported?
Morph TargetsNo
Rigid AnimationsPartial0
Skinned AnimationsNo
AnimationsPartial1
Free-Form SurfacesYes
Geometry CompressionNo
Quad MeshesYes
Basic 3D GeometryYes
PBR MaterialsPartial2
Transparent MaterialsYes
Vertex ColorsPartial3
MaterialsYes
Scene CompositionYes
Hierarchical Scene GraphYes
Scene NodesYes
Standardized FormatPartial4
Embedded TexturesPartial5
Multiple UV ChannelsPartial6
Normal MappingNo
Procedural TexturesNo
Texture CompressionNo
Texture TransformsPartial7
TexturingPartial8

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

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Converting and Optimizing Inventor Files

There are various ways to convert between Inventor files and other 3D formats. With RapidPipeline, you can easily convert and and optimize Inventor files, at scale. It supports Inventor, as well as many other file formats (examples: 3dsMax, AutoCAD, CATIA, Creo, FBX, glTF, Navisworks, OBJ, PLY, Revit, Solid Edge, SolidWorks, STEP, STL, USD, USDZ, VRM), at high quality.

Due to the potential limitations aforementioned on the table above, in principle, this format cannot always perfectly convert 3D data between Inventor and other formats. In the following, you can find format conversion guides between Inventor and the most important other formats, along with a rough score for compatibility of this workflow:

Converting Inventor to Other 3D File Formats

Converting Other 3D File Formats to Inventor

What's the best way to get Inventor files into my 3D applications?

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 files - the conversion guide above gives a rough idea. Once you know what you would like to do, tools like RapidPipeline can help you perform the necessary steps, and to automate the process.

However, especially when introducing pipelines and workflows at scale in an enterprise context, it is usually good to rely on dedicated 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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3D Knowledge Team

3D Technical Artists

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