There's a place in Turkey where miniature doll house doilies and rugs are being made.
A few of the rugs we spotted measured a mere 3" x 4.5", completely hand knotted. Don't let the detail fool you, these are the real deal, and sometimes made of silk!
Be sure to check out ludwinaminicarpet. At times we've seen more listed than others. Very hard to get, but we're sure if you ask they'll have something for you!