Geeetech MK8 dual extruder plate for my Quick Fit Carriage

A mounting plate for the Geeetech MK8 dual extruder made for my Quick Fit Carriage (http://www.thingiverse.com/thing:1670305). The fans and heat sinks have to be removed to fit the plate (they reduce Y-building volume by ~29mm and increase weight and torque of the carriage). Alternative cooling of the throat and the two motors is achieved by a air-duct system powered by a 50mm blower. On each side mounting holes for M3 screws and nuts are present to allow for fixation of bed-level sensors. These