For more articles in creating complex family shapes in Revit, please check out my blog space at:
Revit 2013 eBook Update
Join Revit users nationwide and all over the world who have discovered the valuable information in this eBook. There is nothing like this in the market right now. The eBook teaches the efficient ways to create families. It also explains the subtle little details that go with family creation that no other books explain.
For those who are wondering how I created the families in my website, it's all explained in Chapter 16 of the eBook. Everything from modeling simple to complex components, adding parameters, tracing images, parameters, etc. are explained in-depth with over 2000 images. You'll find tips and techniques I've learned and gathered from my years of working for prestigious firms using Revit.
Download my PDF sampler (163 pages) containing the full Table of Contents (2012 & 2013), Forewords by Steve Stafford and Lonnie Cumpton, and sample images here.