3D Ink was specially designed and optimized to print on the Micro 3D Printer. Chameleon 3D Ink changes color based on the temperature of the filament. The spools contain 250 feet of PLA filament, which was designed to print at 215C on The Micro. Please contact us if you are interested in purchasing in quantity. Purchasing from Novo Technology Solution, all warranty costs are covered and as soon as we receive your printer, another will be sent to you in 1-2 business days.