Around 4 months ago I tried out my first major scratch-build using 3D printed parts and body tubes. I decided to see if I could do an English Electric Thunderbird SAM. I was so happy when it launched and flew stable into the sky. Accomplishing this model really changed my [nascent] passion in model rocketry -- I shifted from mainly buying / assembling kits to mainly spending time scratch building rockets (and buying body tubes, basswood sheets, other "raw" build materials, and filament). When I first got into the hobby I was surprised at how cheap kits are, but now I am even more surprised at how cheap you can scratch build rockets with 3D printed parts once you buy bulk body tubes, basswood, etc...