Introducing 3D modelling In Autocad

To introduce the tools used for the construction of 3D solid models;
To give examples of the construction of 3D solid models using tools from the Home/3D Modeling panel;
to give examples of 2D outlines suitable as a basis for the construction of 3D solid models;
to give examples of constructions involving the Boolean operators – Union, Subtract and Intersect .
The 3D Modeling workspace.
It is possible to construct 3D model drawings in the AutoCAD Classic or 2D Drafting & Annotation workspaces, but in Part 2 of this book we will be working in the 3D Modeling workspace. To set this workspace click the Workspace Settings icon in the status bar and select 3D Modeling from the menu which appears ( Fig. 12.1 ). The 3D Modeling workspace appears ( Fig. 12.2 ).

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The workspace in Fig. 12.2 shows grid lines in Parallel projection mode, brought about by entering perspective at the command line, followed by entering 0 in response to the prompt which appears. This is the window in which the examples in this chapter will be constructed. Note the ViewCube at the top-right-hand corner of the drawing area. In Fig. 12.2 this has been highlighted by moving the cursor onto the cube. Changes can be made to the appearance and uses of the cube in the ViewCube Settings dialog brought to screen from the right-click menu of the ViewCube ( Fig. 12.3 ).


Methods of calling tools for 3D modeling in Autocad ( By cad tutorial pdf)

When calling the tools for the construction of 3D model drawings, similar methods can be used as when constructing 2D drawings:

1. A click on a tool icon in the Home/3D Modeling panel ( Fig. 12.4 ).
2. A click on a tool icon in the Modeling toolbar.
3. A click on the name of a tool from the Draw/Modeling drop-down menu brings the tool into action.
4. Entering the tool name at the command line in the command window, followed by pressing the Return button of the mouse or the Return key of the keyboard, brings the tool into action.
5. Some of the 3D tools have an abbreviation which can be entered at the command line instead of its full name.

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