Cubify 3D Systems CubeX 3D printer PLA cartridge is a smart cartridge specially designed for CubeX 3D Printer. This is a compostable PLA plastic cartridge. These easy-to-use material cartridges not only plug and play in your CubeX printer, they also keep track of how much material is inside so you'll always know what you have on hand. Not compatible with the Cube 1st or 2nd generation 3D Printers. Available in black colour.