About this 3D model

A small and quiet extruder only requiring a three parts rather than the six parts from wades extruder as well as the printrbot extruder mount system. It can also be doubled up with a mirror version for dual nozzle printing. Video: http://www.youtube.com/watch?v=4cJrrj41O5c Video: http://www.youtube.com/watch?v=vcOqAKPWycM