How to trisect a line? Using an Unmarked Ruler and Compass, Method 3

Using only a compass and an unmarked straightedge to trisect a line segment.
How to draw? It's super simple, step by step!
1.Draw any line segment AB.
2.With A and B as centers, draw two circles with radii equal to AB.
3.With the intersection of the two circles as the center, draw a circle with a radius equal to AB.
4.Mark the intersection points as C and D.
5.Draw a line passing through points B and C, intersecting circle C at point E.
6.Draw a line passing through points E and D, intersecting AB at point F.
7.Use a compass with F as the center and AF as the radius to draw a circle intersecting AB at point G.
8.Now, AF = FG = GB.
Thanks for watching!

[@denisereinecke2512]

Again, you should always assume that the compass collapses whenever raised from the surface. At least that's the way they taught it in HS in the early 1970s.