AutoCAD Alignment Command actual combat application

1. First in the CAD to draw a circle of any size!

2, and then multiply it, or array as the picture Effect!

3, draw a 60-degree straight line!

Note: Draw a bit longer, both ends have to intersect with the circle, as to how the painting should not say!

4, and then use multiple replication or array to create a graph effect! (I'm using multiple copies on the map)

5, and then remove the extra circle!

6, Draw 3 Gongsche outside of it, the following figure

7, with rounded corners command to just draw three straight line chamfer! Note: chamfer radius =0!!!!

8, and then draw a length = 150 horizontal line!

9, and then use the Alignment command (AL), will we draw out the picture are selected, and the following line alignment, corresponding points and settings such as Figure!

10, the last return is OK!