By João Santos

AutoCAD is a computer-aided layout (CAD) and drafting software program software. AutoCAD helps either 2nd and 3D codecs. AutoCAD is utilized in more than a few industries and is used by architects, venture managers, and engineers, between others. «Autodesk AutoCAD 2013 useful 3D Drafting and layout» will take you past the second frontier and assist you create exact 3D versions that simulate fact. This publication is filled choked with artistic and functional tutorials with a view to assist you grasp the 3rd size. From workouts on coordinate platforms to making solids and surfaces from second, you'll ask yourself the way you ever designed with out this source by means of your part.

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Linear 3D entities We can apply thickness to most linear 2D entities and also create linear 3D entities like 3D polylines and splines. Thickness 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). This is the only 3D feature available in AutoCAD LT and can be applied to text (if made with a text style that uses an SHX font), but beyond that is quite limited. [ 22 ] Chapter 1 The best way to change the value of thickness is with the PROPERTIES command, Ctrl + 1.

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: • 3DPOLY: This command (alias 3P) creates 3D polylines from the start. It works like the LINE command, but the result is a single object. [ 23 ] Introduction to 3D Design • JOIN: This command (alias J) creates 3D polylines from a contiguous sequence of lines with shared endpoints. It is enough that one endpoint of a line is out of the plane for a 3D polyline to be created.

Right-click the mouse and choose the option Other Navigation Mode | Free Orbit. Click on the mouse and orbit, noticing that the Z axis is no longer vertical. 10. Again, right-click the mouse and choose the option Other Navigation Mode | Constrained Orbit. Drag a little bit and the Z axis comes immediately back to the vertical direction. 11. Press the Esc key to end the command. All other objects reappear, but the visualization doesn't change. 12. Quit the drawing without saving. Views and cameras If we changed the view direction, how can we come back to the plan view?

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