MakerBot® Smart Extruder+ (Replicator) | GoEngineer Store。MakerBot Smart Extruder+ for Replicator+ and Mini+ 3D Printer。Amazon.com: MakerBot MP08325 Tough Smart Extruder+ for Replicator。。昔は買って使わないで置いていました。Let's Take a Look Inside the Smart Extruder+ - YouTube。