DESIGN INTENTS
All details are in the PDF uploaded: Design, BOM, Printing, Some assembly details
Files you will find here:
The top portion (football) was originally designed by Rodney Mann on Grabcad (https://grabcad.com/library/lombardi-trophy). It was modified to be 3D printable. But the outside shape is Rodney's design. Great work.
The author remixed this model.
Took the design of the football (top portion) from Grabcad.
Redesigned everything else.