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Inventor LT - Detailed information


Inventor LT is powerful, part-level 3D mechanical CAD software



Inventor LT™ software introduces 3D mechanical CAD into 2D workflows. Expand your engineering process with powerful, part-level parametric modeling, online collaboration on any device, multiCAD interoperability, and industry-standard DWG™ drawings.


overview video

Watch overview video (1:24 min.)





What's new in Inventor LT 2017

What's new in Inventor LT 2017

New Inventor LT 2017 features include free-form editing tools with enhanced surface manipulation and enhanced drawing capabilities for more user control. Export your design to 3D PDF format for easier collaboration.

Video: Free-form tools

Free-form tools

Explore an alternate modeling approach by creating free-form shapes with tools and direct manipulation. Start with an existing design created with parametric modeling tools. Then, then add free-form into the design. Use the Freeform Match Edge command to modify a free-form body to match an existing model or sketch geometry. Model concepts to create rough shapes when size and shape are not yet established.

(Video: 2:31 min.)

Video: Direct Edit functionality

Direct Edit functionality

Parametrically move, size, rotate, and delete imported solid models or native Inventor 3D CAD software files. Use Direct Edit to quickly and precisely change parametric/feature part geometry in models with complex histories. Change imported base solid data and explore redesign possibilities early in the process, before you commit to a final design.

(Video: 2:04 min.)

Video: Startup and learning experience

Startup and learning experience

Improved tools support an easier, more intuitive learning experience in the Inventor Home environment. Inventor Home functions as your personal dashboard and provides a single, central, in-product location for learning and help content. The Tutorial Learning Path guides you through the most common workflows for a solid foundation. Interactive tutorials cover the basics of Sketch, Parts, and Drawings.

  • Engaging, challenging exercises promote in-depth learning. 
  • Search places rich content at your fingertips. Search Preview displays results for commands, Help articles, Support content, discussion groups, YouTube videos, and blog posts.

(Video: 1:38 min.)

Video: 3D mechanical CAD

3D mechanical CAD

Design mechanical parts in 3D with powerful, part-level parametric modeling. Create simple and complex parts quickly. Visualize and verify part designs in 3D to avoid costly errors—before building expensive physical prototypes. Then, generate photorealistic renderings of 3D part models to communicate design intent to customers and other reviewers. Reduce rework and cycle times to bring better products to market sooner.

(Video: 1:05 min.)

DWG file format

DWG file format

Share 3D part designs and 2D to 3D multiCAD design data with customers and suppliers without relying on separate file translation software. Import, create, modify, and export 3D part models in common file formats to streamline communication with your supply chain. As projects progress and downstream users need them, Inventor LT can generate production-ready DWG™ drawings that update automatically whenever the model changes.

Video: Import and export third-party 3D CAD data

Import and export third-party 3D CAD data

Work with third-party 3D CAD data, including non-native assemblies from customers and suppliers. Import and export 3D part models in common file formats without relying on separate file translation software. Easily share 3D design data with customers and suppliers, improving communication with your extended supply chain.

(Video: 0:33 min.)

Move to 3D mechanical CAD at your own pace (suite only)

Move to 3D mechanical CAD at your own pace (suite only)

Reuse AutoCAD LT 2D CAD data in Inventor LT to start designing in 3D. Realize the benefits of 3D design while continuing to rely on the 2D designs and expertise you have built up over time. If you prefer, maintain your current 2D productivity by using AutoCAD LT. Inventor LT also offers DWG™ interoperability, so you can work with existing 2D designs in a 3D environment.

Video: Inventor LT and AutoCAD LT together (suite only)

Inventor LT and AutoCAD LT together (suite only)

Inventor LT Suite delivers the 3D mechanical CAD tools of Inventor LT and the 2D drafting of AutoCAD LT in a single, cost-effective suite. Add the power of 3D to your 2D workflow and take advantage of Digital Prototyping. Compete more effectively today while putting your organization on a scalable path to employ the full power of Inventor and Digital Prototyping.

(Video: 1:51 min.)

System Requirements for Autodesk Inventor 2020 LT
Operating System Recommended:
CPU Type ¹ Recommended:
3.0 GHz or greater, 4 or more cores

2.5 GHz or greater
Memory Recommended:
12 GB RAM or more

Disk Space Installer plus full installation: 15 GB
Graphics Recommended:
4 GB GPU with 106 GB/S Bandwidth and DirectX 11 compliant

1 GB GPU with 29 GB/S Bandwidth and DirectX 11 compliant

See the Certified Hardware
Display Resolution


3840 x 2160 (4K); Preferred scaling: 100%, 125%, 150% or 200%


1280 x 1024 (1080p)

  • Internet connection for Autodesk® 360 functionality, web downloads, and Subscription Aware access
  • Adobe® Flash® Player 15
  • Full local install of Microsoft® Excel 2010, 2013 or 2016 for iFeatures, iParts, thread related commands, clearance/threaded hole creation, Revision Tables and spreadsheet-driven designs. Excel Starter®, Online Office 365® and OpenOffice® are not supported.
  • 64-bit Inventor installations require 64-bit Microsoft Office to export Access 2007, dBase IV, Text and CSV formats.
  • Microsoft .NET Framework 4.7 or later




  1. Autodesk Inventor LT is optimized to take advantage of the SSE2 extended instruction sets supported on Pentium 4, AMD Athlon 64, and AMD Opteron processors. Inventor LT 2017 will not install on computers that do not support SSE2. Several utilities are available on the Internet that report CPUID including supported instructions sets.
  2. Autodesk recommends settings which allow Microsoft Windows to manage virtual memory as needed. There should always be at least twice as much free hard disk space as system memory (RAM).