3D Printed Alto Trombone in F

This is a video describing how to assemble my 3D printed alto trombone pitched in F and demonstrating how it sounds.
Find the stl files and a more detailed description at www.thingivers...
I am an engineering graduate from Valparaiso University where I had access to the 3D modeling software (Solidworks) and 3D printers that I used for this project.