This is a 12 color, color mixing vase designed and printed with a diamond hotend and full color mixing with the new Repetier firmware. Use either the 12 individual STLs or an AMF to slice. – Get the controller board ready for three extruders, however, most people use a rumba. – Use a Bowden extruder design and mount the three extruders for your set-up. – Use a universal magnetic effector plate and accompanying hotend mounts for quick swapping various hotends (delta specific). – STLs can be exported and used as an individual or combined into an AMF file for slicing. – Configure color mixing in Repetier and Slic3r to print the multi-colored models as mentioned above.