From the submitter:
A do it yourself computer tower fan. The fan and Power Supply went out on our computer tower so my husband came up with this..and it works.
Someone had better paint on a doorknob in case there's a fire!
It's cool enough that it won't catch fire, right? ~Not-So-Handy Andy
He tried saying please, but he was pushed too far. ~Not-So-Handy Andy
Nothing better that the carton after a accident with the TV. Just some cuts and voilà!