In many workshops, band saws and drill presses are not used constantly, so they can be set back out of the way. Jointers and shapers can also sometimes be set back out of the midway, but keep in mind that the more trouble they are to reposition, the less useful they’ll be. Remember, too, that while jointers and shapers take up relatively little floor space, you need to allow space on either side that is at least the length of your longest workpiece: a four-foot workpiece needs about a ten-foot space (the tool, plus four feet on either side). The longer the pieces to be joined or shaped, the greater the space required on either side.
Line ’em up — Most other woodshop machines work harmoniously when lined up along the walls, where they are easy to power and connect to dust collection. The amount of space left between these tools depends on the amount of room you have, the size of the stock you work with, and whether or not adjacent tools have tables at the same height. You can always pull a machine away from the wall if additional space is needed. Clearly, these options are not the only possibilities and are contingent upon the mix of machines you have, the shape and size of your shop, and the kind of work you do. The bottom line is if the layout works for you, then that’s the best for your shop (and don’t let anyone tell you any different!).
Let’s be clear about one thing: No workshop is perfect for everyone. If there were, I could simply give you a precise plan to follow with clear dimensions. Every person who comes to the hobby, avocation, or profession of woodworking has his own particular collection of tools and his own peculiar work style, skills, and desires for the kind of woodworking he wants to do that gives him a unique approach as to how he will lay out a shop: where the tools should go, where lumber and supplies are stored, and how much bench area he needs.