Wanhao Duplicator I3 Bowden Extruder for E3D V6 ReFresh

I used a current design as inspiration for this. Since I started drawing from scratch I'm calling it refresh instead of a remix. I added a second hole for the fan to help hold it in place. Holes for the cable chain. I made the end-stop brackets a little thicker to be more durable. the tube for the print cooler has been modified to compress the air a little more. the spacing for the X belt have been corrected so that you can use any of the tensioners for the V2.1printers there are holes on the s