this is my ordinary way of doodling only that i borrowed the string from the zentangle.so the base is the string and the rest is added step by step as the doodle develops.in my first colored doodles the core is commonly a face or a form that is growing chaotic by adding other forms or patterns.
the result entitled "the bubble escapes"(i just missed to draw the eye of the whale)
and the process:
happy doodling...................................................................................ildi