The .pdf file for the brackets is in the library section of the forum.
Old Coot posted a week or so ago he still had a few sets. If I can find the link I'll post. You can always PM him as well.
There also was a thread going here last week where several alternatives to the Old Coot and Turbs (another member who made brackets) methods were discussed.
Here is that link... My Take On Awning Brackets