This was how i drew my circle. A screw in the middle of the table was my center point. the board to the right of the screw was to hold the expanded metal and prevent it from sliding. Then i wrapped a piece of wire around a sharpee and went to town. Getting the shelves in was a small hassel. They all have 9" of vertical clearance, and the top one has an aditional 4 inches due to the design of the container. I think i might build a rib rack that will stand up slabs of ribs on the top rack. All the racks will spin using 1 hand, i even put about 60# of weight on one and tried it and it worked to my satisfaction. But i am going to keep my eyes out for maybe a different set of wheels.