Wood
A 3D texture which simulates wood patterns.

Light Wood
Color node used to define the base wood color.
Dark Wood
Color node used to define the color of the concentric rings running
through the texture.
Scale
Slider/Value node used to define the size of the wood grain. Turbulence
Slider/Value node used to define the randomness of the wood grain.
Global Coordinates
When this item is checked, the texture is computed in world space rather
than object space. If the object is moving in any way and this option
is on, the texture will appear to ïslide' through the object when rendered.