Hi all ! …
To go on with my tunning mods for my VIM2+VTV+TONE in DIY-Case, here, inspired by fred21 cooling system mod…
Here I placed a sticky aluminuim foil to make a long lenght exhaust.
Fresh air is pulled by the fan and blowed through the covered heat sink.
At the exit I’ve put a flexibe piece of plastic label I’ve found on a brass plumbing fitting.
Vertical part of this ramp is maintained by the Wifi antenna to the side of the DIY-Case, the curved part is maintained by the heat sink itself.
Once the Tone-board in place, we can see clearly that the edge of the air exhaust plastic ramp perfectly channels the air outside.
See ya soon for another mod ! 
…
DerFu