I think every designer I know has a formula when putting together a room. I like to use at least three patterns in a space. I use them on pillows, chairs and drapery. But, my sofa is almost always a solid. Anything that large with a print makes me nervous. But, rugs are almost always patterned. Like this:
Unless I use sisal and then there is even more pattern on chairs and pillows. I feel like this is what gives my rooms a feeling that they developed over time. Which pattern play do you prefer?