The Saw Wave texture can generate a memory-efficient wave texture with sharp jagged-edged patterns that can look like wood (figure 1). In the following illustration, the NodeGraph Editor window is used to clearly illustrate the association of the various texture nodes.
Figure 1: Saw Wave texture connected to the DiffuseAmount of diffusion, or the reflection of light photons at different angles from an uneven or granular surface. Used for dull, non-reflecting materials or mesh emitters. input on a Diffuse materialUsed for dull, non-reflecting materials or mesh emitters.