How to Create a Gearbox Settings Icon Using Simple Shapes - Vectortuts+
http://vector.tutsplus.com/tutorials/icon-design/how-to-create-a-gearbox-settings-icon-using-simple-shapes/
20 More Useful Adobe Illustrator Menu Tips - Vectortuts+
http://vector.tutsplus.com/articles/web-roundups/20-more-useful-adobe-illustrator-menu-tips/

POMOCNE ILLUSTRATOR

We have seen many useful tips on Illustrator’s menu commands by talented designers before. Here are some more! Some of these were mentioned earlier too,