For more articles in creating complex family shapes in Revit, please check out my blog space at:
AUGI AEC EDGE Downloads Fall Issue
In this issue, I wrote a 12-page article entitled "In Revit, Little Details Count Too" (page 27). In the article, you'll find some Tips and Tricks pertaining to the creation of complex family shapes in Revit.
The PDF downloads for the current fall issue of AUGI AEC EDGE ezine are available at the  AUGI site.
You can also download them from here:
Links to my article's Video Clips: