Mixed up epoxy with low density fairing filler….

measured out the width of the filet with the pipe that I was going to use to smooth things out

applied the epoxy

smoothed it out

and removed the tape

one small drip that would need clean up once fully cured

sanded things out nicely

first coat of primer

applied bondo to deal with a few things I did not like the looks of

Missing is a photo of the fins after the bondo was sanded off….