Melzi Board Cooler

How many MELZI Boards had to die because one of the stepper driver
or power MosFETs went up in smoke? These tiny IC`s are getting real hot
in use, even with heatsink and not everyone is capable of soldering SMD.
To save me from this, I looked for a fan holder/mounting frame, but all I
could find were for other boards, or simple enclosures...

So I decided to design one by my own, a simple and functional construction,
supporting two 50mm fans, cooling the most stressed parts.
I could not