Ultimaker Controller Board cooling cover

After i printed a lot improvement part for my Ultimaker and raised it's accuracy to a satisfying level i'm really happy with it now.
Anyhow i got bugged by this noisy fan on the bottom side of the Ultimaker.

You just need to switch the printer on and this fan starts screaming at you.


Because of this i started to work on a replacement. The first version was designed to replace just the fan and this plastic piece
but keep the wooden parts. After some tries i released that i will need to bump up my Ultimaker anyhow if i want to remove this radial fan.

At this point i got back to my scratchboard and designed a complete new v2 version that i'm publishing here now.

This version replace the complete cover that is mounted on the electronics board. It guides the air to all important parts and has some
open spots to let the hot air out.

Also there are some predetermined breaking point that can be used to customize this cover ( for example if you use a Ulticontroller or more