Root Beer Opener by: KingRootBeer
What you need:

1. Your favorite filament
2. An American penny minted before 1993 (later pennies will have a loose fit.

While Slicing:

1. Add a color change or pause above the penny holder.
2. Add an optional color change for the root beer logo.

While Printing:
During the pause place a pre 1993 penny into the penny slot and continue the print as normal.