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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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Perspectives, Slides and Scripts
AutoCAD can be used to create a simple "walk through" of any 3D model. This tutorial shows you how. Format: Text/Image
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Creating Terrain Objects
This tutorial describes a method for creating terrain objects in 3DS using contours from AutoCAD. Format: Text/Image
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Entering Survey Data using AutoCAD
These techniques apply to basic CAD programs such as AutoCAD, IntelliCAD, etc. If you have a civil/survey program or add-on, such as Land Desktop, SurvCADD, Eagle Point, etc., then there are built-in tools for entering lines and curves. Format: Text/Image
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Setting up a PostScript Plotter
How to set up a PostScript Plotter. Format: Text/Image
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Exterior Lighting
This tutorial shows you how to set up a standard Sunlight System using a target direct light and including ambient light and standard shadow map settings. Format: Text/Image
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Creating a Walkthrough
This tutorial shows how to create an animated walkthrough of your AutoCAD 3D model using 3DS MAX 5. All you need to start is an AutoCAD drawing with some 3D content. The end result will be a .AVI file which can be viewed on any Windows PC. Format: Text/Image
Last visited: 4 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
Shorten the Plot Scales List in a Viewport
From: AutoCAD Productivity Articles #140
Originally published: June 2015
If you plot from a viewport on a Layout tab, and you have a specific collection of plot scales you typically use, you may be interested in editing that list to display only the ones you need to see.
There are other approaches to accessing the same plot scale regularly, but this is one of the most straightforward.
How to Modify the List of Plot Scales
When you're in a viewport, click the location on the Status bar where you see the scale/factor for the current viewport.
Scroll to the bottom, then click Custom… to open the Edit Drawing Scales dialog box.
I would recommend keeping 1:1, but then select those plot scales you really don't need, then click Delete.
Organize the ones you use all the time by using Move Up or Move Down.

Note: If you totally gom it up, you can always hit Reset, then choose your desired collection of either Imperial, Metric, or both.
See all the articles published in June 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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6th – 12th April 2026
This week's image is by JRevit
Software used: Revit 2009
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Last Week's Image
Last week's image is by Steven Leech
Software used: AutoCAD 2009
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Two Weeks Ago
This image is by shift1313
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Three Weeks Ago
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Software used: SketchUp
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
Object snap tracking
Finding the centre (centroid) of a square or rectangle used to require the use of at least one construction line but with object snap tracking, the same point can be found without having to draw any other objects.
This technique relies on the fact that "Midpoint" is set as one of your running object snaps and that polar tracking (POLAR) and object snap tracking (OTRACK) are on. Say you have a square and you want to draw an inscribed circle. Start the circle command and then hover the cursor over one of the vertical sides of the square until the midpoint snap icon appears. Move towards the centre and a dotted tracking like will appear. Next, hover the cursor over one of the horizontal sides of the square until the midpoint icon appears, again, move towards the centre of the square. This time, when you get close to the centre, both horizontal and vertical tracking lines appear and you can snap to the intersection simply by left-clicking. Finish the circle by snapping to any midpoint.
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.