How to draw 3D cad?

How to draw a cad three-dimensional diagram is introduced as follows:

1. First, open CAD and execute View | Window | Four Windows.

2. Generate four viewports.

3. Draw a rectangle in the first viewport, and you can see that four viewports have rectangles at the same time, which means that the four viewports are synchronous, and the same shape means that the four viewports have the same observation direction.

4. Select the first viewport, execute View-3D View-Main View, and then set the other three viewports in this order, such as looking down, looking left and isometric.

5. Draw a rectangle in the main viewport, draw a triangle connecting line in the isometric viewport, and draw a circle in the overlooking viewport. In each step, you can see that the four viewports change synchronously.

Extended introduction

CAD is the abbreviation of ComputerAidedDesign, which belongs to a type of software. The full name is Computerized Design, which refers to the use of computers and their graphic devices to help designers with their design work. Mainly used in mechanical design, architectural design, interior design, civil engineering and other fields.

There are many kinds of CAD software in the market, such as AutoCAD, Tianzheng CAD and Zhongwang CAD. Both belong to CAD software, just as QQ and WeChat belong to social software.

Among them, AutoCAD is developed by Autodesk company, which has a high market share and a large number of users. After a long time, people omitted the word Auto and called it CAD directly.