AutoCAD drawing command to quickly draw three-dimensional pentagram

First, the CAD uses the Pentagon angle point connection way to draw the five angle plane, constructs after the Pentagram star plane makes the domain free.

Figure 1

Second, then in the pentagram plane inside the form of edges to draw Pentagon as auxiliary graphics.

Figure 2

Third, go to the southwest Axis side map, draw the auxiliary line according to the figure, height line height is set, then select the stretch command (command line to enter EXT) to select Pentagon-free domain, input angle with the mouse to catch graphics center point, and Auxiliary Line Graphics center point to the Guide line of the vertical point, when the height of the input to capture the two endpoints of the height line, this completes ( Remove redundant guides)

Figure 3