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What's CAD software?
CAD, or computer-aided design and drafting (CADD), is technology for design and technical documentation, which replaces manual drafting with an automated process.
If you're a designer, drafter, architect, or engineer, you have probably used 2D or 3D CAD programmes such as AutoCAD or AutoCAD LT software. These widely used software programmes can help you draft construction documentation, explore design ideas, visualise concepts through photorealistic renderings and simulate how a design performs in the real world.
Our best-selling CAD software
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Professional design software for 2D and 3D CAD
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Cost-effective 2D CAD software for drafting and documentation
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Cloud-based 3D CAD/CAM/CAE software for product design
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Mechanical design and 3D CAD software for product development
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Building Information Modelling (BIM) for architecture, engineering and construction
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View, create, edit and share DWG™ files on the go from your mobile device
CAD software for architects, engineers and designers
Integrated BIM and CAD tools for building design, civil infrastructure and construction
Civil engineering design and construction documentation
BIM solution for architecture, structural engineering and construction
Cloud-connected BIM software for conceptual design, analysis and planning
AutoCAD functionality, plus tools just for architects
AutoCAD functionality, for mechanical, electrical and plumbing professionals
CAD software for mechanical and manufacturing engineers
Design and make products with our best Inventor and integrated tools for simulation and CAM
Mechanical design and 3D CAD software for product development
AutoCAD functionality, plus electrical design CAD features
Plan and validate factory layouts to improve production performance
AutoCAD functionality, plus tools for mechanical CAD
2.5- to 5-axis milling, turning and mill-turn processes
CAD software for Mac users
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Professional design software for 2D and 3D CAD
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Cost-effective 2D CAD software for drafting and documentation
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Cloud-based 3D CAD/CAM/CAE software for product design
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Industrial design software for sketching, concept modelling, surfacing and visualisation
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View, create, edit and share DWG™ files on the go from your mobile device
Free CAD software
Free CAD software for students and educators
We offer free Autodesk software for students and educators. Use the same CAD software as top professionals around the world.
Free CAD software for nonprofits
Are you a non-profit organisation or entrepreneur working to create positive impact through design? See if you qualify for our Technology Impact Programme.
How to choose CAD software
Browse resources for choosing the solution that satisfies your needs.
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Learning support
Autodesk offers tutorials, training materials and the support of an engaged on-line community as you learn the software.
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Compare CAD software
Compare our AutoCAD products to help you to choose the best software for your needs.
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Choosing for business
Evaluate your software needs, ask all the right questions, assess the top solutions and secure the budget.
Which professions use CAD software?
Autodesk 2D and 3D CAD software is used by engineering disciplines across all industries. Explore how various professionals use CAD tools to improve processes—from concept to handover.
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Architects
Design and draft with CAD tools developed specifically for architects. Take your ideas from conceptual design to construction documentation within a single software environment.
AutoCAD Architecture (AU site)
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Building engineers
BIM processes help structural engineers, detailers and fabricators improve structural documentation, minimise errors and streamline collaboration across teams to accelerate fabrication.
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Civil engineers
BIM for enhanced civil engineering design and construction documentation. Use intelligent, connected workflows to help enhance predictability, productivity and your bottom line.
AutoCAD Civil 3D (AU site)
InfraWorks (US site)
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Construction professionals
Digitise your construction site and connect project information from design to construction and handover.
BIM 360 Ops (US site)
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Mechanical engineers
Professional-grade design, simulation and manufacturing solutions help mechanical engineers improve workflows, performance and collaboration.
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Electrical engineers
Design and document electrical control systems with CAD tools created for electrical engineers. Automate common design tasks and facilitate drafting productivity.
AutoCAD Electrical (AU site)
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Manufacturers
Efficiently machine, inspect and fabricate quality parts and reduce time to market.
HSM (US site)
Factory Design Utilities (US site)
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Car designers
Conceptualise, design and render automotive designs using Class-A surfacing and professional rendering technology.
Alias AutoStudio (AU site)
VRED (AU site)
CAD for beginners: Tinkercad
Tinkercad is a free web-based CAD tool for hobbyists, teachers and students of all ages. Make home decor, toys, Minecraft models and more.
CAD in the cloud: Fusion 360
Fusion 360 is the first 3D CAD, CAM and CAE tool of its kind. Starting at $25/month, get a free trial today.
CAD software resources and tutorials
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Download a free trial of AutoCAD and get started with these resources and guides.
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Get started with Inventor software with Learning Path guided tutorials.
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Explore several resources for getting started and continued education for Revit.
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Get news, tips and insider resources straight from Autodesk staff.
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Discover AutoCAD tricks that can lead to increased productivity and reduce clicks in everyday AutoCAD commands.