Dual Nozzle Ultimaker 2 in Modifications, third party add-ons & other hardware Posted January 31, 2017 Hi, guys! I'd like to share my experience in double extrusion on Ultimaker 2. Maybe it will be useful. Ok. Several month ago i bought Ulticreatr 2X. I knew it was not good (according to some replies here), but desire to upgrade my printer and to make double coloured print prevailed. After it was delivered, I decided to postpone installation. Designers of the Ulticreatr 2X said that its feature didn't allow to use heated bed. So, i decided to study this problem first. I don't want to describe all my way to double extrusion. It was thorny. Besides heated bed issue, neither firmware nor Cura modifications, presented by Ulticreatr 2X designers worked. So, I searched decisions in the community. And I have found it. The first it was firmware. Tinkergnome, thank you very much for your work. It is extremely useful and works excellent!!! The second was slicer. I tried to modify Cura 2.3.1 as it was described by Ulticreatr team, but it was all for nothing. Then I tried to modify it according to this topics, but still without success! And then, thanks to Crema I tried Cura 15.04! Today I printed my first double colloured model! So, Ultimaker 2 + Ultikreatr 2X + Tinkergnome firmware + Cura 15.04 = Dual extrusion Thanks everyone!