I finally got tired enough of moving my midi lathe from one flat surface to another that I built it a permanent home. I wanted a bench that was narrow and close to the wall, so it has a tray under the drawer unit that holds 120 lbs. of sand to help stabilize it. The hardboard top surface is removable so I can replace it when needed. I built the basic bench, filled it with sand, then built the drawer unit to fit the opening. The drawer unit can be removed to empty the sand for moving if I need to. Some heavy-duty casters and levelers make it mobile, so when I realize I've got it in the wrong spot, it won't be a major production to fix it.