You can put a high resolution image of it into a program such as Adobe Illustrator and convert it to a vector using the image trace tool. (Some small clean up might be needed depending on the quality of the image). Then you can import it into a CAD program and extrude it.
Vex keychain.stl (1.1 MB) Here is cad I made to use for keychains that is 7 mm thick. You can always change the dimensions in cure or whatever slicer you’re using before you print it.
You’re welcome! I had to put a thin circle on the back of the logo to get the lines to actually stay but you could probably switch filament colors in the middle of the print to get the logo a different color from the backing.