Cyrus V2 Spares; E3D Bowden Cold End

This is a spare part for the Cyrus V2 printer, this is the cold end for the bowden extruder.
Print it with minimum of 25% infill
TIP: You can also use this if you don't have a Cyrus printer, this cold end is perfect with the following geared stepper :
http://www.cyrusprinter.nl/product/gear-stepper-motor-150/
You can use the MK7 gear or a Raptor gear
you can use the pneufit which comes with the E3D extruder.
UPDATE:
Download coldenslim1.stl and lidbearingholder.stl for latest version. this one has slot for a small bearing which locks the shaft of the stepper motor and keeps it in place.