After deciding how far you want the awning to stick out from the bulletin board you ll need to cut your cardboard tube into several sections that are that length.
How to make a bulletin board awning.
Install face trim on both ends plywood on top and face trim on the front.
First i divided two pieces of poster board in half the long way and cut them apart.
This is where that box cutter comes in i think we did about 3 inches out from the bulletin board and then cut the tubes to fit.
Add support boards and then screw the entire truss structure on top of the corbels.
Bulletin board awning directions.
Use your template roof to measure and cut angled truss boards then screw them together and into the end caps.
Purchase 1 inch wide by 6 inches long 2 54 cm wide by 15 24 cm long boards to create the awning frame.
Then i folded about 3 inches of the long side of each piece over.
This fold will allow your awning to either slide behind the top of your bulletin board or you can staple it to the wall.
Make 2 identical 2 dimensional right triangle frames attached to the ends of your square frame.