Blender 3D: Noob to Pro/Every Material Known to Man/Carpet

Color:

      R 0.880
      G 0.890
      B 0.730
      A 1.000

Texture

     Voronoi
     Distance Metric: Actual distance

Map Input

     Orco
     Cube
     Size X: -100
     Size Y: -100
     Size Z: -100

Map To

     'Col' Selected
     R 0.542
     G 0.487
     B 0.237

Note: The Quality of the carpet depends on the size of the plane (or what ever you are using). The smaller the plane, the better the carpet looks.

http://upload.wikimedia.org/wikibooks/en/e/e3/My_computer_with_desk.jpg

Note: Only The ground on this pic is the carpet material. The Desk is made of wood.