About this 3D model

this is an extruder named Loop: - for NEMA17 stepped motor - standart 50mm M4 fixation holes at the bottom - RichRap quick-fit compatible - J-head/e3d nozzle buit-in holder it's mainly a variant of http://www.thingiverse.com/thing:28916 and Greg's Wade reloaded what is different then? - Tiltable M4 idler-screws really open (by 40°) and have a stronger nuts housing - filament is closer to the M8 drive bolt than olekdh version (3.7mm center-to-center) - oblong hole for motor positionning are wider, allowing to disangage the gear for easier assembly - add a support for drive screw bearing surface. - it's fully redesigned in Solidworks 2013 see instruction for more informations and changelog feel free to make suggestions to improve this design!