I highly recommend trying this design technique in your own home, but try not to use too many contrasting patterns or it can end up looking way too busy. The colors and patterns you select need to coordinate and compliment each other. Decor8 has a great post that explains how to properly layer patterns.
Here are some excellent examples of how to successfully layer...
|Better Homes and Gardens|
|via Delights by Design|
|Apartment Therapy |
A simple start is to mix and match patterns on your sofa using fun pillows.
|Young House Love|
Don't be afraid to layer on those patterns!
My favorite patterns to mix right now are florals and stripes! What are yours?