Few things in nature have as much character as wood. From the delicate features of lacewood to the satiny elegance of sycamore to the rich warmth of mahogany and padauk, your choices can be close to endless. However, unless you're content to always work with just the few pre-dressed species (such as pine, poplar or red oak) found at your average home center, you'll need to know how to mill — or true — rough lumber.