This is my direct drive extruder "V10 JGR Extruder" changes from the last version: - hotend mount is now a very rigid , and easier to install and center a hotend - filament path is shorter - motor sits on the carriage - proper idler bearing, no more hunting for artline pen springs this extruder will mount the Aluhotend and the jhead *filament drive available from http://www.3dindustriesaustralia.com.au and http://www.reprapdiscount.com * hotend available http://www.3dindustriesaustralia.com.au