If your shop will be attached to your house or another structure, it will likely need to match its foundation, tying the two structures together so that one does not structurally stress the other if they shift differently. That may dictate a poured concrete or concrete block foundation. Regardless of your foundation type, a cold concrete floor will sap energy away from the rest of the structure if you are not careful, so think about how to insulate it well before you build.
The second corner of the triangle is in the center of the room and, in our case, is where the workbench is located. Following work progress in sequence, the workbench is typically the second workstation where medium-duty work is done after heavier preparatory or wood-milling steps are finished. The workbench is where work is typically done using hand tools or smaller power tools such as hand drills, routers and joinery tools.