Change the values and see the shaped be drawn out by only three. To make them move by the same direction 1 change only, set Make Directions Independent to 0.
I was originally going to make this just to lines being able to be rotate together, but I thought that was too boring so I made them rotate on their own. Here is that result. I do not know the mathy name for this, so I decided to name the... very good name that it has now