I had started forming the tunnel when I had worked on the build before. Sand the underside curvature by wrapping 220 grit around a body tu...

On the left are the laser cut, kit supplied launch lugs. The edges are burnt and rough. I cut new lugs from some extras I had.  The seams in...

After doing the taper from the root edge -  Start the leading and trailing edge tapers. I've again marked the first high point with penc...

Start by sanding the taper from the wide root edge to the thin outside edge. Concentrate on getting the outside edge thin - you don't ha...

The kit includes a cardstock marking guide to mark the centerline of the fins. It is supposed to be half the thickness of the 3/16" thi...

Apparently I started this build and got sidetracked. One of the centering rings is glued onto the motor mount tube.  Outside the glue tab of...

Here's how Estes shaped the WAC Corporal fins in the 1960s. The tapered sides are incorrect and the tips of the fins have sharp corners....