By means of this tutorial you will learn to create a wooden pattern in illustrator CS3.
Open a new document. Choose the Rectangle tool and make some black rectangles.
Select all the rectangles and navigate to Object >Transform >Transform Each.
Use the following settings.
Now all the stripes will look dissimilar.
Choose the Twirl tool and click on different areas of the stripes to give them a twirl.
Now you need to use the Pucker tool at various sections to bring contrast to the stripes.
Now give the stripes a dark brown colour.
After that, draw a light brown rectangle bigger in size.