Symmetry blog

Asymmetry 

http://www.lyring.com/modern-asymmetrical-sofas-build-your-sofa-as-you-dream-it

Radial

http://www.melrosewheelchairs.com/index.php?main_page=product_info&cPath=8_2&products_id=17

Rule of Thirds

  http://www.photoanswers.co.uk/Advice/Search-Results/Photopedia/Rule-of-thirds/ 

Symmetry

http://www.photographyblogger.net/symmetry/