Hi The pattern is referred to as a chain link area rug there are also multi chain rugs. It looks like the pattern of a chain link fence.

I would also say that this pattern could be called "hour glass"

http://rug-art.net/system/assets/attachm...

"Hourglass is a unique modern design that is full of personality and works equally well in modern as well as traditional rooms"

http://www.artfire.com/uploads/product/1...

A chain is what it appears like to me. Either goth or biker style is what I would choose with it.

I can't find anything to match this rug! I have know idea what the name of the design is. Please help!