So it will ultimately come down to what file format you need for the 3D printer and if Blender can support that. Otherwise, you may need to generate your geometry using a CAD program.
Regardless, you will need to generate the solid model of your cylinder. In this case you’d extrude your cylinder surface to create a volume body and not a sheet or surface.
He’s a very popular actor/musician that isn’t looking to wade into any controversy that might damage his popular brand.