Hey! This thing is still a Work in Progress.
Files, instructions, and other stuff might change!
Customizable Message Keychain
This thing can be customized with MakerBot Customizer!
Open in Customizer
Description
never took the wrong key again with this customizable message keychain.
Instructions
customize, download the STL, print with support.
updated: given more flexible control in customizer.
updated: given more flexible control in customizer.
License
Customizable Message Keychain by allenZ is licensed under the Attribution - Non-Commercial - Share Alike license.

The scad file wants to include something called "Write.scad" but I don't have that in my libraries/MCAD directory. Where do you get that?
search for thing 16193, or click the link of "Derived from" on this page.