What do you do when you need a customized feature for your 3D printer? Do you wait until the company that made it comes up the solution you need? Email their support department every day until they take notice? Samuele Bianchi Bazzi, a 19-year-old entrepreneur and maker in Italy and an Ultimaker reseller, put together a team and take on the project and upgrade the UM and the UM2 to a dual extruder setup. You can read about Bazzi, his startup Creatr, and the Ultimaker Dual Extruder Upgrade Kit here: http://3dprint.com/31460/dual-extruder-ultimaker/


Below is a photo of the dual extruder system: