Even a decade later, homebrew 3D printing still doesn’t stop when it comes to mechanical improvements. These last few months have been especially kind to lightweight direct-drive extruders, and ...

The UltiMaker Factor 4 3D printer is engineered for the development and production of process-critical tools and components. With support for engineering materials, direct drive dual extrusion, ...

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 ...