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CADTutor provides the best free tutorials and articles for AutoCAD, 3ds Max and associated applications along with a friendly community forum. If you need to learn AutoCAD, or you want to be more productive, you're in the right place. See our tip of the day to start learning right now!
Free Tutorials and More…
The Tutorials section provides over 100 original tutorials for AutoCAD, 3ds Max and other design applications. Michael’s Corner is an archive of productivity articles that brings you the best AutoCAD tips and tricks. Our Forum is a lively community where AutoCAD users can ask questions and get answers. The Downloads area provides free AutoCAD blocks, free AutoLISP routines and free images.
Tutorials of the Moment
Recently viewed tutorials
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Cameras
Cameras are the main viewing tools in 3D visualisation. This tutorial demonstartes how to create and control cameras. Format: Text/Image
Last visited: less than one minute ago
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All About Shadows
This tutorial considers the various options for creating shadows when rendering 3D models. Format: Text/Image
Last visited: 2 minutes ago
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Ground Modelling
This tutorial describes how to create a 3D surface model from contour information using AutoCAD and Key TERRA-FIRMA. Format: Text/Image
Last visited: 3 minutes ago
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User Co-ordinate Systems
This tutorial describes what UCSs are, why we need them and how to use them. The correct use of UCSs with AutoCAD is the key to producing good 3D models and they can also help with 2D work. Format: Text/Image
Last visited: 3 minutes ago
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ISO Paper Sizes
There has alwas been some confusion over the size of standard ISO drawing sheets with AutoCAD.The stated sizes in the plot dialogue box are not the true ISO sizes. This tutorial explains why and how to plot to scale from Model Space. Format: Text/Image
Last visited: 3 minutes ago
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AutoCAD 2010: Getting Ready for 3D
This video tutorial describes how to prepare the AutoCAD 2010 user interface (UI) ready for a 3D drawing project. Running time: 2min 23sec Format: Video
Last visited: 3 minutes ago
CADTutor Tutorials
Our tutorials are comprehensive but straightforward introductions to AutoCAD and related software. They are designed to help beginners get to grips with design workflows as quickly as possible. There are over 100 to choose from, some text/image based and others in video format. Whatever stage you are at in your learning, you should find a tutorial to help.
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CADTutor Forums
Our forum is a vibrant community of experts and beginners. The main focus is helping beginners get to grips with AutoCAD and to help more advanced users become more productive. The AutoLISP forum is one of the busiest out there, providing expert advice for busy professionals.
AutoCAD Productivity
User Increment Angles for Polar (new in 2015)
From: AutoCAD Productivity Articles #138
Originally published: February 2015
The Polar tracking feature [F10] comes with several preset increments. But what if you want your own increment, like, 12? This is now available for the first time in AutoCAD 2015 where you can specify an increment value, and AutoCAD will snap to all instances of that increment!
How to Add Additional Polar Angles
Click the drop-down arrow beside Polar Tracking, then click Tracking Settings.
Check the box for Additional Angles, then click New and enter a new angle. Click OK to close the Drafting Settings dialog box.
Click the dropdown arrow beside Polar Tracking, then click your new angle increments.

See all the articles published in February 2015
Michael's Corner
Between 2003 and 2016, Michael Beall (and one or two guests) wrote almost 600 articles for CADTutor. The focus of these articles is AutoCAD productivity, and although some of them are now more than a few years old, most remain relevant to current versions of AutoCAD. The article above is just one example. Check out Michael's Corner for a full listing.
Image of the Week
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9th – 15th November 2026
This week's image is by Titi95
Software used: Modelling and rendering in AutoCAD
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Last Week's Image
Last week's image is by arjun_samar
Software used: 3ds Max with V-Ray and Photoshop
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Two Weeks Ago
This image is by shift1313
Software used: SolidWorks 2010
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Three Weeks Ago
This image is by Oppie
Software used: AutoCAD 2011
Gallery of Work
Over the years, our forum members have contributed hundreds of images, showcasing their amazing work. The images above are just a small selection that demonstrate the wide range of project types our community is involved with. Take a look at our gallery to see all the images published in the last 12 months.
Tip of the Day
Maximize your work area
You can use Ctrl+0, or go to , or click the faint blue square icon at the very bottom right of the AutoCAD program window to maximize your entire work area. The only thing that will show is your top Pull-down Menu, your Command Line, and/or your Layout Tabs, maximizing the drawing area as much as possible. Of course, you could also turn off the command line and just work with Dynamic Input if you wanted to be even more minimal. These command options work as a toggle, so simply repeat the action to restore the full interface.
If you are a customized keyboard command type of person, the command is CLEANSCREENON and CLEANSCREENOFF so you can easily add it into your ACAD.PGP file complete with your personal Command Alias.
Missed a Tip?
Did you miss yesterday's tip? Maybe you forgot to drop by or maybe you don't visit over the weekend. If so, you can now see all the tips published during the past week. Also, if you have a tip you'd like to share with us, you can post it on our forum and if we like it, we'll publish it here.