Create an image of a garden compost station that has a concrete slab as the base of the station with the 2 compost tumblers on the left and (3) 3-sided wood bins to the right. One for finished compost, one for leaves, and one for regular garden soil. Create a lean to type roof over the tumblers and the bins that is tallest in the front and slopes to the back. Integrate concrete ramps in the base for the tumblers and the bins. See more