Some my papers are submitted to your attention,
in which it is told about some ideas of folding.
However division on sections is relative enough. And you can find papers,
concerning folding, among mathematical papers.
As example can be the story about division of the square side.
In paper is told about
wide opportunities of the blinz base form.
Some standard continuations
of the bird base form are examined.
Probably this paper will help you to compose own author's model.