Once you have a 3D printer able to build a few objects in a single color, the next logical upgrade is a dual extruder. A dual extruder allows for multiple color prints, and by adding a dissolvable ...

I have an old Prusa i2 that, like an old car, has been getting some major part replacements lately after many many hours of service. Recently both the extruder and the extruder motor died. The ...

Entrepreneurs in Denmark have taken another step towards improving the general usability of 3D printers with the Diamond Hotend, a single 3D extruder unit that can mix and melt three filaments ...

Last month, MakerBot began offering its Smart Extruder+, a new and improved print head for its flagship Replicator and Replicator Mini desktop 3D printers. The company claims the new Smart Extruder+ ...