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 ...

What is an FDM filament coloring’s purpose but ... The results showed no clear overall winner between plain PLA polymer and any specific color. Perhaps most fascinating was just how much these ...

PLA filament is the go-to material for beginners to 3D printing, and for good reason. It's easy to print, requires minimal fine-tuning, and works well with most consumer-grade printers.