2, screenshot, locate the map location you need, and then use the shortcut key "Alt+Ctrl+A" screenshot to cut off the area that needs to be used as the base map, as shown in the figure.
3, open the CAD, open the need to insert the base map CAD file, as shown.
4. In the CAD menu bar, click the "Insert" option and select "Raster Image Reference" in the pop-up dialog box, as shown in the figure.
5. In the pop-up Insert Picture dialog box, select the picture to be inserted, and then click Open, as shown.
6. Then, in the CAD drawing area, click the insertion point and click the insertion size. After insertion, you can also select a picture and then change the size, as shown in the figure.