Model Rocket - Payload Altitude Competition - PPA13-V1.0

This is the second of the printed competition models that I recently flew at the National Association of Rocketry's 60th annual meet, The Eggloft Altitude model I described earlier is here: https://www.thingiverse.com/thing:3056609 The rocket in this Thing is a Payload Altitude model. It was a personal goal to determine if printed models could be competitive, opposed to conventional materials. Other than a few printed nosecones, and details used in scale models, printing has seldom been used.