16 COLORS TO ENHANCE YOUR CREATIVITY: The Creality Filament System (CFS) has a connection hub on the back. By connecting up to four CFS units together, you can print brilliantly in 16 colors, saving the need for additional painting later SNAPSHOT SUPPORT IS ENABLED: the CFS is able to provide model support in different materials. It can be easily broken and is even water-soluble. The generated 3D model will not show any support markings AUTOMATIC FILAMENT MAPPING: The CFS is programmed to communicate seamlessly using Creality 3D printers and Creality Print slicers. It can select from installed filaments based on type and color. As indicated in the G-code file AUTOMATIC FILAMENT SWITCHING AND RELAYS: The CFS is able to switch filaments smoothly and accurately for multi-color tasks.