I saw a sign like this in meme channel and wanted to print it. I used Zyltech PLA that came with 3D pen. Add PauseAtHeigth command to gcode to change the filament. It's also possible to do 3 colors. Pistols and frame are same height, and the lettering goes a little taller, so if you would like, you can add third color for lettering. You can also make it thinner or thicker, larger or smaller, as it fits your printer and your needs.