I am trying to find the autocad.pat file, but I can't find the file in the autocad support area. Is there another way to find this file so that I can add the woodgrain to my hatch patterns
You didn't mention the version of AutoCAD you're using so the easiest thing to do search for *.pat, more than likely it'll turn up in C:\Users<your username>\AppData\Roaming\Autodesk\...