This is one of the new enhancements in SolidWorks 2013 that has the potential to save you, the designer, anywhere between minutes to hours.
I am not exaggerating! You can now automate your designs like never before!
You will replace tens or even hundreds of features with one smart feature pattern just by varying sketch dimensions from the seed feature(s).
Watch this video and let me know if you agree with me that this technique will save you time and money.
Enjoy and do not hesitate to subscribe to the Javelin Channel for more tech tips like this one.