About this 3D model

YRUDS dedicated for MK7 filament guide. U need to buy: - MK7 filament guide - 1x 626 2RS ball bearing - 2x 605 2RS ball bearings 6mm dia hole inside extruders body is designed for 6/4 PTFE tube. J-Head mount system. Torque test - 5.6kg http://www.youtube.com/watch?v=vA_7emchTuY&feature=youtu.be