Reduce the level of support you want wood frame length. A wood strip measures 4 - X-4 - X-8 feet. If you decide to make the wood rack eight feet or longer, you have to add support at the top of the vertical 2 - In the above X-4S, to ensure that it can accommodate an 8-foot span of the weight of the timber.

     You can boost morale, with the remaining two ends of the vertical 2 - X-4, cutting depth, the large-span wide span rack. Most of the 16-inch length of wood, so you may cut their 12-inch length.