Thanks for the encouragement, Rick!!! I patched it! Albeit, with a fair amount of frustration, mess, but overall success
For the smaller holes where I tried to patch the gel coat, it definitely doesn't match (nor it is smooth in all places), but we plan to paint
the shell anyway.
The fiberglass seems structural, solid, and is not *that* bad of a surface. Although it looks rough in the pictures, the fiberglass patch is actually totally smooth. Definitely still needs some sanding, shaping, and a paint
Do you have any pictures of the body working finishing you did? Would be great to get some more inspiration.
Here's my blog post
about it, along with just some pictures. It's not a work of art, and no one is making a YouTube video of it anytime soon. But, it'll keep rain out and prevent the wall from collapsing in on itself, so I'm a happy camper
Repairing Shell Holes: More Glassing, More… Fun. | 8 Legs and a Trailer