The most important aspect for performance in your 3D printer is the Cold End. It drives the filament and applies force, so it will extrude the plastic onto a 3D print. Consistency and reliability are keywords here for making the best 3D prints. There are various solutions to drive filament, from simple direct drive systems to geared bowden system. Whatever you choose, we have the best component to build your extruder as well as pre-build extruders.