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Chapter 27. Introduction to 3D > Understanding 3D Coordinate Systems

Understanding 3D Coordinate Systems

Working in 3D is theoretically no more difficult than working in 2D. In practice, however, the presence of the third dimension greatly complicates your task. In 3D, you can work on an infinite number of drawing planes—not just the X-Y plane of 2D drawings.

Figure 27.2 shows the three axes that define AutoCAD’s 3D world. The three axes shown in Figure 27.2 can be aligned with any number of working planes conforming to the geometry of the 3D model.


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