最佳答案:1、打开CAD软件,使用“圆圈工具”绘制一个圆。2、在右下角打开“正交开关”和“二维参照点开关”。3、使用“直线工具”,从圆的圆心向上绘制一条直线。4、关闭“正交开关”和“二维参照点开关”。5、点击“
1、打开CAD软件,使用“圆圈工具”绘制一个圆。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvZmRhZjY3ZDMxNTYxNGM3OTk2ZjgxNzc2ZjRjNjFmYjQ.jpg)
2、在右下角打开“正交开关”和“二维参照点开关”。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvMzM4MjQxZDRlYzlkNDg5ODhhNmU5Y2JmZjA5ZmI2YmM.jpg)
3、使用“直线工具”,从圆的圆心向上绘制一条直线。
4、关闭“正交开关”和“二维参照点开关”。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvNmE5ZmFhN2M5NzdhNDQ3MjljYTVhNDgxMzhlMmRlMmQ.jpg)
5、点击“直线工具”,在圆和直线的交点处点击,向下绘制一条直线,调整角度。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvMjVjMGE4ZGQyNzI2NGVjOGI5YzA3NDQxZWFhYzM4NGI.jpg)
6、右击点击“确认”。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvYmExNTY0OTg1YjE0NGE2NWJhYjU1MjJlNjczMTJhYjc.jpg)
7、选择直线,点击“镜像”。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvNDY2ZWFiZDQxYjU5NDg2MmIzNzE5NDVlYTIyMDU1MjU.jpg)
8、在直线的交点处点击,绘制镜像直线。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvNDlmYmRhNGNjZWJlNGZjNWE0NWI2MzM2MTkxZDkyMzk.jpg)
9、在弹出的窗口中,选择“否”。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvZDNiNTZjY2NlMDE3NGMzNGE3YWQ0OGZkYWY2YjM0M2Y.jpg)
10、选择中间的直线,删除。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvZGEzYjJmNDcxNDVkNDk4NWE4ZmU1MTUzNzliMzE5N2Y.jpg)
11、点击填充中的“图案填充”。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvNWNjNmNhNjJlYjYzNDRiMDljN2Y4ZjE5ZGY5MzhlNzI.jpg)
12、点击“SOLID”,填充尖角图形。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvZTc3M2I2NTc1ZjZiNDU2MGFmMWViMGY0ZDNiMGRhZjU.jpg)
13、点击“默认”。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvMmY3YmI2YWNhMDdkNDFkMDhjZWQ5ZTViMDdiNzEyYWQ.jpg)
14、选择文字中的“多行文字”。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvN2FlNThjZWRjZGZmNGIzYjhkMjk5M2FhNWFkMDY2MmQ.jpg)
15、划定角点。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvN2RjNGNhNDBkMGZhNGE1Nzg2Y2NiNjcxOTc5OWVjYmY.jpg)
16、输入“N”,选中文字,修改“注释性”下方的数字。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvYTA0MGI1NTU4OTY2NGY5Yzk3YzhiN2MwOTMxY2QwNGY.jpg)
17、点击关闭“文字编辑器”,指北针就做好了。
![](https://www.89179.net/other_image/aHR0cHM6Ly9wMy5kb3V5aW5waWMuY29tL2xhcmdlL3Rvcy1jbi1pLTAwMjIvOGM2NzI2NTg5YTg3NGU2MjlhNzU4NGUwMzU3MzkxYTU.jpg)