EDIT: April 3rd,
Last month I made an Instructable about how to finish the 3D print into a final prop; here's a link for anyone whose interested. I have also included the PNG for the label on this site.
The Nuka Cola Rocket Bottle from Fallout 4! The model consists of 2 parts, the bottle itself, and the bottle cap. I designed this with functionality in mind as it is made to contain 150ml of liquid and the bottle cap shaft is extended to cap the bottle.
To finish my bottle, I heavily sanded and filler primed the surface to a smoothness I wanted, painted it black, and applied a clear vinyl sticker of the "Nuka Cola" label I made in Inkscape to finish it off.
P.S. This is my first 3D model, so any constructive feedback would be great.