E3D v6 integrated fan layer

This designs allows you to place a layer fan integrated with the E3D V6 own fan.
This support consists of two parts:

• Fan layer support
• E3D fan support (open: "easy to place whit the hotend place on the extruder"; close: "to mount before placing the hot end")
  Layer fan size: 40 x 40 [mm]
  E3D fan size: 30 x 30 [mm]
  The design is a mixture of two designs:
• http://www.thingiverse.com/thing:344950
• http://www.thingiverse.com/thing:465495