[Dennis Kalma]

I am a little late, and I can't be entirely sure from the pictures, but I would have hammer and dollied the patch a bit more to get the contour closer to the desired contour before applying filler. I worry that there is a bit of vibration on that kind of panel (albeit the high crown ought to help out) so sometimes you get the filler coming loose or cracking a bit. Personally anything more than about 1/16th of filler is the maximum final thickness and even then I get worried if there is any chance of vibration.

You don't need to get it perfect, but it is amazing what a bit of time with a pick hammer and a bit of gentle tapping will do to get the contour out there, particularly on that kind of shape...

Maybe not so much for this part, but maybe on the next one...

Dennis