Featured Image: Early Experts If you're planning to work on rough-sawn lumber and transform it into a remarkable workpiece with smooth sides and uniform thickness, then a thickness planer is must-have for your workshop. A thickness or surface planer (or simply, a planer) is a machine used by woodworkers to trim the surface of a rough-sawn board. After a couple of passes or more in the planer, the result is a smoother, more workable workpiece with uniform thickness. Now that you have a benchtop jointer, it's only natural to want to purchase a thickness planer too to complete [...]