The rudder top tip was a perfect fit and went on in 30 min.. Thr vertical fin tip is another story. Fitted to the fin it left a 3/8" or bigger gap, and the curvature of the front doesn't match the aluminum well. Filler for the front and all is well. The rear needs about 1/4" in length added. I made a foam plug, layered the face and side with glass and slid it into place. Now the task of building it out with fill to match the pre-formed piece.
I will continue to refine and fill the tips untill all fit perfectly with micro and sanding as down time on other components is available. For now I am moving on to the forward fuselage as the next piece of the kit has arrived.