auto cad 2008 基础教程第3章(国外英文资料).doc

auto cad 2008 基础教程第3章(国外英文资料) This article is contributed by zhao888789 Ppt documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source file to the local view. The third chapter, basic graphics drawing command As mentioned before, using the drawing, as mentioned earlier, the use of AutoCAD drawing, even more complicated when drawing graphics, AutoCAD graphics, its essence is the basic graphic elements of graphics in this chapter will focus on drawing. This chapter focuses on commonly used basic drawing commands around the frequently used drawing commands in the drawing toolbar. Open, focus on commonly used basic drawing commands. If the user wants to be able to work in the next drawing process, enough in the future drawing process in handy, then you must learn the content of this chapter. Here you will learn how to draw rectangles, regular polygons, and chapters. The following is to learn how to draw a rectangle, polygon, circle, ellipse and ellipse, and filling pattern etc.. Circle, ellipse and ellipse, and filling pattern etc.. The main points in this chapter Draw rectangle and regular polygon, draw circle and arc, draw ellipse and ellipse arc pattern, fill, create and edit surface area 3.1 draw rectangles and regular polygons In AutoCAD, users can draw a variety of rectangles, such as chamfer rectangles, in which users can draw a variety of rectangles, such as chamfer rectangles, rounded rectangles, and the width and thickness of the border lines. Rounded rectangle, and the width and thickness of the border line can be set. To draw a regular polygon, you can use the inscribed circle method, the outer circle method, and the edge shape. You can use the inscribed circle method, the outer circle method, or by specifying the position and length of the edge line. Line position and length. 3.1.1 rectangle drawing points To draw a rectangle, select [drawing] [rectangular] menu, to draw a rectangle, select [d