Mustache bottle thing
thingiverse
Apparently, I'm not the first one with this idea; you just need to print and attach the design to your bottle, but be prepared for some amused looks! The SketchUp file is also provided for convenience.
Download Model from thingiverse
With this file you will be able to print Mustache bottle thing with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Mustache bottle thing.