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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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Using Co-ordinates
All about the use of co-ordinates in AutoCAD. Format: Text/Image
Last visited: 7 minutes ago
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AutoCAD 2010: The User Interface - Part 1
This video tutorial takes you on a guided tour of the AutoCAD 2010 user interface. This is the best place to start for beginners. Running time: 3min 56sec Format: Video
Last visited: 7 minutes ago
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Direct Distance Entry
The essential way of working with AutoCAD Format: Text/Image
Last visited: 12 minutes ago
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AutoCAD 2010: 3D Move & 3D Rotate
This tutorial introduces two of the most useful Modify tools for 3D, 3D Move and 3D Rotate and demonstrates how powerful 3D Rotate can be when combined with Polar Tracking. Running time: 6min 35sec Format: Video
Last visited: 15 minutes ago
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The Material Editor
The Material Editor provides functions to create and edit materials and maps. This tutorial is a basic introduction to the options available. Format: Text/Image
Last visited: 16 minutes ago
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Standard mapped materials - Procedural Maps
Procedural maps use computer generated effects and are applied to materials for many different purposes. They have to be scaled and positioned on the object using a UVW Map modifier or a Map Scaler modifier. This tutorials uses a worked example to show you how. Format: Text/Image
Last visited: 21 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
Original Dimension Value
From: AutoCAD Productivity Articles #143
Originally published: December 2015
Since the dimension text of an associative dimension is Mtext, double-click anywhere on an associative dimension and you can add additional information… or modify the value to what you want.

But what if you want to put the dimension back to the original value?
Insights:
If you reposition an extension line origin grip of a dimension and the value doesn't change, the original value was modified.
If you double-click a dimension and the edit box has a white background — not blue — the original value was modified.

Solution:
Double-click the dimension, then put the less-than and greater-than characters in the dimension box, like this… <>
The original value will be restored.
See all the articles published in December 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.
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30th March to 5th April 2026
This week's image is by Steven Leech
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Last Week's Image
Last week's image is by shift1313
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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
Keeping the UCS icon in its place
By default, AutoCAD always displays the UCS icon at the drawing origin (0,0) unless the origin is off screen, in which case, the UCS icon sits quietly in the bottom left-hand corner of the drawing area.
If you find the UCS icon distracting when it's floating in the middle of the screen, you can force it to be displayed in the bottom left-hand corner using the ucsicon command.
Enter an option [ON/OFF/All/Noorigin/ORigin/Properties] <ON>:
Use the "Noorigin" option to force the icon into the bottom left corner and the "ORigin" option to set it back to the default.
See the UCS Icon tutorial for more details.
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.