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                                                                                                        All for free. Read more →. in AutoCAD, AutoCAD LT, AutoCAD We released AutoCAD and AutoCAD LT Service Pack 1 recently. Autocad is a 3D design software and autocad free download is available in a single link. Download Autocad Free version For PC.      

Recent Autodesk Service Packs | Applying Technology to Architecture

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Between the Lines – AutoCAD Service Pack 2 has been Released


InfoCenter Service Pack 1 Crash when clicking any option from the Stay Connected button in the title bar when no drawings are open. Inquiry Service Pack 1 Crash while calculating the area of a polyline that contains at least one segment that has been reduced to zero length. Service Pack 2 Occasional crash when plotting with a wipeout in the drawing. Startup Service Pack 1 Crash due to corrupt graphics cache files on startup. Crash occurs while canceling a LISP routine that runs at program startup.

Occasional crash when exploding splines created by third-party applications. Crash when AutoCAD exits on computers running. Occasional crash due to using Intersection object snaps on lightweight polylines.

Some corrupt drawings crash when opened or saved and are not fixed automatically. Exiting the Text Editor while previewing text style causes a crash. Service Pack 2 Zoom speed varies with 3Dconnexion device in perspective view. Drawing files with names containing language-specific characters do not get saved to Autodesk Sometimes the Share Drawing dialog box opens behind the main application window.

Customization Sync does not sync new custom commands in tool palettes. Import of a DGN arc as an Ellipse. Display Drivers Service Pack 1 Integrated chipsets are unable to return available video memory correctly.

Dimensions created using the Perpendicular object snap will shift when the drawing geometry is moved, copied, or otherwise modified. Service Pack 2 Radial dimensions for regions can become associated to wrong arc.

Dimension text background fill cannot be reset in Properties. Jogged radial dimensions in paper space may reflect the wrong value of an extruded cylinder in model space. Hatch Service Pack 1 The Hatch Preview option is not available from the context menu when creating a hatch.

Field Service Pack 1 An object’s angular property uses linear format instead of angular format in the Field dialog box. MLeader Service Pack 1 Multileaders incorrectly display a dot at the content block’s insertion point. Service Pack 2 Multileader scale is not always updated when multileader style is changed.

Service Pack 2 Ellipse is sometimes distorted during stretching. Performance Service Pack 1 Slow performance while running a large script. Slow performance while creating Layers quickly. Service Pack 2 There is a black stripe when plotting some drawings with a clipped image. A printer cannot be added after adding multiple driver folders in the Options dialog box. Drawings cannot be plotted with the oversized paper size and transparency on.

Ribbon Service Pack 1 The Visibility drop-down control on the Block Editor Ribbon is not working properly when property preview is enabled. Selection Service Pack 1 Pressing Shift with a window selection fails to remove multiple Drawing Views from the selection set on a layout.

Service Pack 2 Grips for attributes of blocks are not automatically made hot upon sub-selection. Visual Lisp Service Pack 1 Menucmd does not display the drop-down menu when the Command window is docked.

Service Pack 2 DCL files whose code page matches the system but not the product are not recognized and loaded properly. But circles, arcs, and polylines including polygons and rectangles are drawn on the working plane called active coordinate system or a plane parallel to the working plane.

Some commands work only on the objects plane, not necessary the active working plane. This allows for cutting or extending objects that, in the current view, seems to be on the same plane, but are really on different planes. Now, we have three different commands for rectangular, polar, and path arrays. Among multiple options, there are two with special importance for 3D: Rows , where we can define a number of rows with a height distance, and Levels also with a variation in height.

No one can use AutoCAD without inquiring for information from time-to-time. Blocks work exactly the same way in 2D or 3D. When inserting a block with non-uniform scale, we can specify a different scale for the Z direction.

Regions are 2D opaque closed objects that are frequently used in 3D. Besides 3D, they can be very useful for extracting areas, inertia moments, and other geometric properties. To create regions, we must have their contours already drawn.

Contours can be lines, arcs, circles, ellipses, elliptical arcs, and splines. In 2D, regions are created with two commands:. It only prompts for the selection of objects and the original objects by default are deleted. An example follows. We are going to create some 2D objects and from them, some regions. For now, dimensions are not important. On the dialog box shown in Object type list, choose Region. Select the Pick Points button. The dialog box disappears.

Specify the four points inside the closed area, shown on the image and press Enter. The four regions are created. Freeze layer 0 to view only the regions. Regions are opaque. Choose the Realistic option:. We can apply thickness to most linear 2D entities and also create linear 3D entities like 3D polylines and splines. Almost all linear entities that we know from 2D have a property called Thickness, whose value represents a height along the Z axis a better word actually should be height.

A line is still a line or a text still text, but with a proper visualization, these entities can transmit a 3D feeling:. These polylines are designed by lightweight polylines. But what if a single object is needed to be composed by segments whose endpoints have different Z coordinates? The answer is to create 3D polylines. Three processes are available:. It works like the LINE command, but the result is a single object.

It is enough that one endpoint of a line is out of the plane for a 3D polyline to be created. The first object must already be a 3D polyline. Starting with version , the best way to apply the JOIN command is to select all the line segments at the first command prompt, without specifying a source object. Depending on the type of selected objects and their positions, the most suitable object is automatically created.

The creation of 3D solids and surfaces from linear objects is the subject of Chapter 4 , Creating Solids and Surfaces from 2D. Splines are smooth linear objects, normally without corners that pass through or near specified points. Splines are described by a set of parametric mathematical equations, but have no fear, for AutoCAD will internally deal with this, we will not have to! Splines are used whenever we need smooth curves and are also the foundation for NURBS surfaces, the most used surfaces in the automotive or aeronautic projects.

To create a spline we apply the guess? By default, the command only prompts for the location of fit points, and the spline passes through the specified points. An Enter finishes the spline and the Close option creates a closed spline. When selected, the small blue triangle allows switching between Fit points and Control vertices. To edit a spline is very simple: we select it, without command, and work with grips.

We can either click a grip and move it, or we can place the cursor over a grip and on the grip menu choose to move the vertex, add one, or remove that vertex. This last process is known as multifunctional grip.

We may have a contiguous and non-planar sequence of lines, arcs, elliptical arcs, splines that the result is a single spline. By default, the command prompts for the center point of the base, base radius, top radius, and height. As options, we have the position of the axis endpoint, the number of turns, the height of one complete turn, and the twist if the helix is drawn in the clockwise or the counterclockwise direction. If we explode a helix object, the result is a spline.

The command only prompts for the selection of the first curve and the selection of the second curve. Selections must be near the endpoints to connect. The Continuity option allows for the choice of the applied type of continuity: Tangent with a tangency continuity known as G1 continuity , or Smooth with a curvature continuity known as G2.

There are several possibilities for starting a 3D project. We may:. Create a 3D project from a complete set of 2D drawings, with all the necessary views included. Here, we don’t have to project or idealize; we just have to decide the best approach and the commands that are to be used. Create a 3D project from a plant view and some other elements. Here we have to project a lot and probably have to study several possibilities in order to find the most suitable project.

Create a 3D project from scratch. We have nothing except some conditions about space, functionality, or others. First, we have to carefully plan the work. Instead of immediately starting to model, it’s better and less time-consuming to decide a draft sequence of tasks. Have I created the needed layers and other definitions layouts, styles, and so on in another project?

If we have 2D drawings, these must be carefully studied, especially if there are any inconsistencies between views and how to start. Next, we set up our model. We can open the most important 2D drawing and save it with a different name; we can start a drawing and insert the other drawings as blocks or external references. Continuing set up, we create layers and other definitions. If we pretend to make some nice realistic images rendering , we must be careful with layers, knowing that the easiest way to assign materials is by layer.

Should we start from floor plans or elevations? Well, it depends on the project. We can model from plans, but some parts may come from other views and then be positioned.

A final piece of advice is to keep several versions of your project. When an important step is achieved, we must save a backup copy. If we change our mind about a step or if the current file is corrupted, we minimize the losses.

In this chapter, we were introduced to 3D. We saw the importance of the third coordinate, how to enter points in absolute or relative coordinates, and the application of point filters. We analyzed workspaces and how to control the AutoCAD environment. The importance of layers, transparency, and other properties were then explained. Auxiliary tools were then covered before we looked at how to use them to ease the 3D project.

We also covered the linear 3D commands and the Thickness property. We concluded the chapter by covering good practices when modeling in 3D. He is also the Portuguese instructor in these technologies with more students. Publication date: April Publisher Packt.

Pages ISBN Chapter 1. Introduction to 3D Design. The importance of the third coordinate How to choose and manage 3D workspaces Why object properties are fundamental in 3D How auxiliary tools osnap, ortho, and others can ease the work in 3D 2D commands in a 3D world How to use linear 3D commands How to create great 3D models.

The Z coordinate. Absolute coordinates. Relative coordinates. Point filters. X of midpoint of edge need YZ :. Y of midpoint of edge need Z : any point on top face Specify radius of circle or [Diameter]: value Copy. Classic environment. Ribbon environment. Note When modeling in 3D, the layers list visibility is almost mandatory. Layers, transparency, and other properties.

Auxiliary tools. Exercise 1. Note As in 2D, rotating the wheel mouse forward, we zoom in; rotating the wheel backward, we zoom out; all related to cursor position.

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