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Autodesk Inventor

#17 of 31 in CAD Software

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What it is

Autodesk Inventor is Windows software for 3D mechanical design, documentation, simulation, and model-based definition. It combines parametric, direct, freeform, and rules-based methods, with tools for assembly design, sheet metal, and surface modeling. Inventor can open designs from other CAD systems without translation. Parts can be exported in formats including DWG, IGES, JT, OBJ, STEP, and STL; assemblies also support RVT, and drawings can use DWG, IDW, DWF/DWFx, and DXF. Design connections include Revit family data, Vault, Factory Design Utilities, and Inventor Nastran. Automation options include iLogic, the Inventor API, and Autodesk Platform Services. Inventor is paid, with a 30-day trial and no permanent free plan. Displayed monthly, annual, and three-year prices are placeholders rather than figures. A subscription allows installation on up to three devices, but the named user can use it on one computer at a time.

Who it suits. Inventor suits mechanical designers who need 3D modeling, documentation, simulation, or model-based definition tools on Windows. Its assembly, sheet-metal, surface, and automation capabilities may also suit teams working with related Autodesk design tools.

Good

  • Combines parametric, direct, freeform, and rules-based design
  • Includes assembly, sheet-metal, and surface modeling
  • Opens non-native CAD designs without translation
  • Connects with Revit family data, Vault, and Inventor Nastran

Watch for

  • Windows only
  • No permanent free plan
  • Displayed subscription prices are placeholders
  • Named user can use one computer at a time

Verdict

Inventor brings mechanical modeling, documentation, and simulation tools together in a Windows application, with options for design integrations and automation. The 30-day trial is available, but ongoing subscription prices are not shown as figures.

Plans and prices

PlanPriceBilled
Flex—Buy tokens and access Inventor for 24 hours at a time.
Free Trial—30-day free trial.
Inventor Monthly—Monthly subscription; no-contract option.

From Autodesk Inventor's own pricing page, checked 27 Sept 2026. Every plan

What the maker publishes

Admin features
Flex includes default group assignments for simplified user management. source
Assembly design
Yes source
Automation integrations
Inventor supports iLogic, its API, and Autodesk Platform Services for automation and ecosystem connections. source
Cloud collaboration
Yes source
Autodesk benefits
Autodesk offers Business and Enterprise success plans with support, coaching, reporting, and licensing options. source
Use restriction
Only the named user can sign in and use the software on one computer at a time. source
Core features
The software provides mechanical design, documentation, simulation, and model-based definition tools. source
Design integrations
Inventor connects with Revit family data, Vault, Factory Design Utilities, and Inventor Nastran. source
Design methods
Inventor combines parametric, direct, freeform, and rules-based design. source
Install limit
A subscription allows installation on up to 3 computers or other devices. source
File import and export
Import: Autodesk states Inventor supports opening non-native CAD data. Export formats documented for parts include DWG, DWF/DWFx, IGES, JT, OBJ, RFA, SAT, STEP, STL, CATIA V5, Parasolid, and Pro/ENGINEER; assemblies additionally include RVT. Drawing formats include DWG, IDW, DWF/DWFx, and DXF. Format support varies by data type and version. source
Free plan
No source
Free tier limits
The page describes a 30-day free trial, not a permanent free tier. source
Free trial
Inventor is available as a free 30-day trial. source
Modeling method
hybrid source
Non-native data
Inventor can directly open designs from other CAD systems without translation. source
Online support
Autodesk provides 24x7 online support options and resources. source
Previous versions
Subscribers can install and use the 3 previous versions. source

Review

Overview

Autodesk Inventor is 3D mechanical design software for creating models, documenting designs, running simulations, and defining product information in the model. Its mix of parametric, direct, freeform, and rules-based methods supports different approaches to shaping and revising a design. Contractors evaluating software for a construction or renovation workflow should note its focus: the stated capabilities center on mechanical design, rather than a dedicated home-planning or building-materials package.

Inventor can open designs from other CAD systems directly, without translating them first. That can help when work arrives in non-native formats. Its documented exchange options cover parts, assemblies, and drawings, with formats including DWG, DWF/DWFx, IGES, JT, OBJ, RFA, SAT, STEP, STL, CATIA V5, Parasolid, Pro/ENGINEER, IDW, and DXF. RVT is listed for assemblies as well. The supported formats vary by document type.

For readers comparing design tools, see our guides to 3D CAD software and CAD software.

Key features

Flexible modeling and assemblies

Inventor combines parametric modeling with direct editing, freeform work, and rules-based design. It includes assembly design, surface modeling, and sheet-metal tools, alongside mechanical design and documentation capabilities. This gives mechanical teams several ways to build and adjust models within one application.

Simulation and model-based definition

Simulation tools are part of the package, as are model-based definition tools. The listed capabilities indicate that Inventor covers more than geometry creation: it also supports design analysis and communicating product information through the model.

Connections and automation

Inventor connects with Revit family data, Vault, Factory Design Utilities, and Inventor Nastran. Automation options include iLogic, the Inventor API, and Autodesk Platform Services. Autodesk also describes its AI development, deployment, and use as responsible, ethical, and secure.

Pricing

Inventor is paid software, but the displayed pricing provides monthly, annual, and three-year placeholders rather than actual amounts. The monthly subscription is described as a no-contract option, and the Flex plan lets users buy tokens for 24-hour access periods. Prices for both are not listed here.

A 30-day free trial is available. Although a free plan is indicated, the stated free access is a time-limited trial, not a permanent free tier. Annual and multi-year subscriptions have a 30-day return policy; monthly subscriptions have 15 days.

Subscription and Flex purchases include 8x5 support, single sign-on, and usage reporting. Autodesk also provides online support options and resources 24 hours a day, seven days a week. Its Business and Enterprise success plans offer support, coaching, reporting, and licensing options. Flex includes default group assignments for user management.

Platforms

Inventor runs on Microsoft Windows. A subscription allows installation on up to three computers or other devices, but only the named user may sign in, and that user can use the software on one computer at a time. Subscribers can install and use the three previous versions.

Who it's for

Inventor is aimed at people who need mechanical 3D design, assembly work, sheet-metal or surface modeling, documentation, or simulation. Its direct access to non-native CAD designs and its connections to Autodesk tools may also matter to teams working across CAD and related design workflows.

It is not presented as a purpose-built tool for planning kitchens, bathrooms, decks, roofing, or other residential projects. Homeowners and contractors looking for software for those tasks should check that Inventor's mechanical-design focus matches the work before considering a subscription.

Pros and cons

Pros

  • Offers parametric, direct, freeform, and rules-based design methods.
  • Includes assembly design, sheet-metal tools, surface modeling, simulation, documentation, and model-based definition.
  • Can open designs from other CAD systems without translation and supports a range of documented exchange formats.
  • Connects with several Autodesk design tools and provides automation options through iLogic, its API, and Autodesk Platform Services.

Cons

  • Runs on Windows; no other operating system is listed.
  • Displayed subscription prices are placeholders, so the listed information does not establish the cost.
  • The free access described is a 30-day trial, not an ongoing free tier.
  • Its stated focus is mechanical design, which may not fit residential planning needs.

Alternatives

Depending on the workflow, readers may also consider SOLIDWORKS, nanoCAD, FreeCAD, Creo, Rhino 3D, Onshape, Shapr3D, or OwlCAD.

Verdict

Autodesk Inventor brings together mechanical modeling, assemblies, sheet metal, surfaces, simulation, and documentation, with multiple design methods and broad CAD-data exchange. Its Windows-only platform, unspecified displayed prices, and trial-only free access are important considerations. For building and renovation professionals, the key question is whether mechanical design is the job at hand: Inventor's listed capabilities do not position it as a dedicated residential project-planning tool.