It is not difficult to create your own fractals. some fractals look so complex and yet the underlying principle is usually simple.
The image below shows a square fractal that as the levels go up, squares are reduced one quarter of their parents.
By giving your own set of rules you can dictate how the resulting fractals pan out.
Check out some of the links on the left; you will find some simple but important fractals.
This is the resulting fractal in 3D.
