Replicator 2X Left Extruder Upgrade

Use these parts to assemble the Spring-loaded Drive Block upgrade to your MakerBot Replicator 2X Left Extruder. Includes the 3D printed parts as well as the metal hardware designed to fit the left extruder on a Replicator 2X.The Spring-loaded Drive Block is a simple system for pressing the filament against the drive gear using a constant amount of force. We salute the innovative Thingiverse users who worked collaboratively on this design over time! If you want to try an alternative design we have also had great success with Check out the design of the plastic parts for the extruder upgrade by 3F Product Design Here.