Two ideas I've considered, both involve turning it upside down with legs. Put it in the corner of the garden, paint it green and store the tiller, rakes, hoes etc. under it.
Same concept, except add skids to the legs and use it over the round bale feeder in the pasture.
I hate to throw things away.
My little bro was getting rid of a old trampoline frame, the curved framework now forms the framework for a boat and sometimes little tractor shed. Only had to weld in 6' long legs on each end of the curves sections, and cover with 20' long metal.
I did had to go back and add corner bracing but it stood up to a 15" wet snow load a coupla of years ago with no problems.
RJR