It looks like the arms would go quite well with a curved side http://www.bunedoggle.com/skoolie/wp-content/uploads/2010/08/IMG_72011.jpg (http://www.bunedoggle.com/skoolie/wp-content/uploads/2010/08/IMG_72011.jpg) http://www.bunedoggle.com/skoolie/wp-content/uploads/2010/08/IMG_72021.jpg (http://www.bunedoggle.com/skoolie/wp-content/uploads/2010/08/IMG_72021.jpg)
There are so many potential manufactures of this particular style of awning that without some numbers you could find several dozen that might be candidates. See if you can find any model numbers or other identifiers.
Grant
Looks like the Sun Setter I have on a building to me I could be wrong have been before
good luck
Not sure , but I have seen one like that at Menard's here in Indianapolis. Nu-image comes to mine.
Steve 5B.......