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Tweet A reader told me he was having problems with his 3DCLIP command after upgrading to AutoCAD 2013. He wrote: “I create 3 or 4 different 3d models that I then xref them together into an arrangement drawing. I then create my viewports for the different views I will need. In the past, [...] Tweet An excellent (and old) feature of AutoCAD is that you can define your own coordinate system: The location of 0,0 The direction of the X axis The direction of the Y axis A custom UCS is a common aid for 3D drawing. For example, if you’re drawing a peaked roof of a house, it’s [...] Tweet Spherical coordinates are a way of specifying coordinates in 3D. Mostly, you use them with the LINE command. They’re good for finding a coordinate that you might use in a solid or surface. (I cover cylindrical coordinates, which are similar, here.) Spherical coordinates have the format distance<angle<angle. An example would be 6<40<20. The 3 [...] Tweet Cylindrical coordinates are a way of specifying coordinates in 3D. Mostly, you use them with the LINE command. They’re good for finding a coordinate that you might use in a solid or surface. Cylindrical coordinates have the format distance<angle,distance. An example would be 6<40,4. The 3 parts of the coordinate are as follows: First [...] Tweet The VIEWBASE command, new for AutoCAD 2012, automates the process of creating 2D views of 3D models. This command creates 2D view objects, which are a little like viewports, but actually a completely separate type of object. In fact, when you display a layout, the first thing you do is delete the default viewport [...] Tweet Starting with AutoCAD 2012, you can use the VIEWBASE command to quickly create 2D views of your 3D model. These views are called view objects. The command prompts you to create views based on the default 3D views, such as Top, Front, SE Isometric, etc. You can choose a shading style, as well. It’s [...] Tweet Splines are mathematically-defined curves. They are an important basis for 3D modeling, but they are useful in 2D as well. Note: Splines were significantly updated in AutoCAD 2011. There are 2 methods for creating splines: Fit Points: You specify fit points, which are on the spline (by default). Control Points: You specify the control [...] Tweet Bill Walker sent me the following tip. Sometimes you need to cut out part of one 3D object to fit another object. For example, in tongue & grove construction, you need to cut out the groove to fit the tongue. You can make this process easy with an option of the INTERFERE command. Follow [...] Tweet When you work in 3D, you need ways to view your drawing quickly and effectively. Here are my best tips. What are yours? (Leave a comment!) Transparent 3D Orbit: Shift + Mouse wheel. This is my all-time favorite 3D viewing tip. If you aren’t using this, you’re wasting time. It lets you easily drag [...] Tweet When you create a new User Coordinate System (UCS) in AutoCAD, by default, your viewpoint doesn’t change. Here I used the 3 point option of the UCS command to create a new UCS. Create a new UCS with the 3 point option Sometimes, you may want to return to plan view in that [...] |
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