What light structure would you like to provide protection from the UV, heat and protection from the cold and biting insects?
What would your passive solar shell look like that you move around in your garden?
How would it change the shape and layout of your garden so it in effect becomes part of a massive solar/seasonal sun dial/veg tunnel ! It would serve many purposes from weeding to office work! Did you want it on wheels and or rails?
Open up this new frontier of permaculture and join the group discussing the hypotheticals before we build some prototypes !