"The Golden Section, or the Divine Proportion." If you are designer sure you will know about it but are you really understood it...
(now i fully understanding it...gege...so LC)? The Divine Proportion are useful for designer
(new bird designer or student...), like what
Mark Boulton was mentioned;
Using the Divine Proportion as a guide to your compositions can improve the communication of your design.click here for more about the Divine Proportion!