Here is the boattail storage box so far
What I'm thinking for the profile of the top which will be a frame of 1/2" conduit covered in 1" foam then covered in epoxy.
This shows how I left room to tow a 2nd small trailer, my Jetski, and the new LED lights. I will cover the wood in Titebond II and fabric then paint.
Here are the cones I made for the awning, they need epoxy and paint.
Here is the whole side shot.