Basic 3D <http://3dcadtips.blogspot.com/2008/02/basic-3d.html>

Introduction
Although AutoCAD has a number of commands for creating special 3D objects, a
lot can be achieved by changing the properties of basic 2D objects like
polylines. Most 2D objects can be given a thickness using the thickness
option in the Properties (DDCHPROP) command. Although objects with a
thickness can be said to be extruded, this should not be confused with the
EXTRUDE command which creates solid extrusions; giving an object thickness
produces a surface extrusion. All objects can be given an elevation by
moving them in the Z direction using the MOVE command. With a combination of
the MOVE and Properties commands you can quickly create simple 3D drawings.

Using this tutorial you will learn how to give objects a thickness, how to
move them vertically, how to view your 3D creations and how to use the
3DFACE and SHADE commands.

The DDVPOINT 
Command<http://www.cadtutor.net/acad/acadr14/3d-basic/images/d-vpoint.gif>
Toolbar None
Pull-down View/3D Viewpoint/Select…
Keyboard DDVPOINT
You can use this command to get an axonometric view of your drawing.

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