There is such a thing as bi-color filament (like MatterHackers Quantum PLA) which can be thought of as filament that is split down the center into two different colors. Printing with such filament ...
According to Matterhackers, you can run this filament through most 3D printers, although we are betting you will want a pretty stout extruder and nozzle. You’ll also need a heated bed that can ...