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 ...

Dual extrusion systems for 3D printers have been around for quite a few years, but the additional cost, complexity, and hassle of printing with them have kept them off the workbenches of most hackers.

If you are in the market for a professional dual extruder 3D printer you may be interested in a new piece of kit created by the engineers and designers at LUGOLABS. The LUGO G3 3D printer has been ...

The problem: folk are finding wear and gouging under the driven hobbed gear of a certain type of dual-drive extruder. In the photo right of a partially assembled dual-drive, it would be in the red ...