The rest of the centre frame work was easier to build on the bench before attaching it to the box. 6mm ply pieces are glued and nailed to 12mm square supports. With a bit of imagination you can see space for large and small drawers, a tall compartment and two short compartments separated by a divider. The short compartments are sized to fit an electric starter and the tall compartment will accommodate some tools, (screwdrivers, chicken stick etc) a spray bottle and the re-fueling hose.