ROCKFORD — You know the hole punches we have in our offices to punch holes in paper? Take that concept and apply it to metal. For 104 years, that's been the function of the Roper Whitney No. 5 Junior ...

Four times the holes, four times the trouble. With the fate of repetitive motion injury looming due to the need to drill 1,200 holes, [bitluni] took matters into his own hands and built this nifty DIY ...

As long as the hole you are punching is smaller than the fan you should be fine. You don't need an exact hole, just one big enough that it allows all the air that gets pulled to pass through the case.

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled specifically for metal are manufactured to drill through various materials, ...

Everybody needs some help occasionally. But who knew that help could come from stuff that you would normally discard, like leftovers standing in a corner somewhere or laying on a shelf gathering dust?