The instructions are up!

here is the link http://www.instructables.com/id/Add-Fan-Support-To-Gen6-Electronics/

Upgrade #2 done

I've finally got the fan working.
Instructions will follow shortly (still working on them).

Upgrade #2 almost done

Today I figured out the electronics to make the cooling fan work. Still have to make some firmware changes because the fan can only be turned on or off.
When it all works I'll post more info on how it's all put together. 

-upgrade #2

It's bin a while since the last update. Although not much has changed.
I've removed the previous update because it didn't work as planned.
The air outlet was to close to the print surface and destroyed a couple of prints. Another reason why I've removed it is because it's impossible to control the fan with the Gcode (it's always on).
I've been researching a way to make a controllable fan. I'll post an update when I've found a solution.

Follow up on biggest print

I promised to upload more photos of the largest print yet.
So here is the result.
Still had one layer shift on the Y-axis, but I hope that is fixed now. I increased the moter voltage again and decreased the max acceleration in the printers firmware.

Upgrade #2

I told you before I had a problem with the layers not sticking together. I'll try and make the layers stick together more by increasing the print temperature. This will help the layers fuse together (I hope) even if the previous layer has cooled down.
To make sure smaler layers cool down in time I added a fan.
I downloaded the model of thingiverse, for those who want to know.