Next, we installed wire fencing around the entire structure. It is attached to the firring strips (the vertical, skinny pieces of lumber), and so is being held about 1 inch away from the plywood sheathing. This system is ugly to look at, but is a perfect setup for adhering a 2-inch-thick layer of cob around the outside of the building.
Here are some photos of the my own shed, which utilizes the same technique...
Firring strips + fencing:
Ash and Giovanna's shed now looks like this:
Ready for cob and then earthen plaster!