I meant to do it that way. That is my story and I’m sticking to it.
Last night I filled the aft fin edges— and sanded them, of course. Today I attached the forward fins. First I cut a 1/4″ strip of blue tapeand wrapped it around the body tube just ahead of the aft fins.That gave me a much more visible alignment for the aft end of the forward fin’s root edges than pencil marks on the tube would. The forward fins are too high for the Estes jig, so they were aligned to the aft fins with two popsicle sticks and a clothespin.