About this 3D model

This is a modification of http://www.thingiverse.com/thing:3017 andhttp://www.thingiverse.com/thing:3016 to fit two Wades exrtuders with Bfb Hot-ends.This will cost you about ~5cm X buildspace on a Mendel.You can find more info about this thing here:http://ifeelbeta.de/index.php/mendel-x-carriage-for-two-extruders