Well! Couldn't let this pass by. Thanks for starting it in the Air Cooling section so I could see it. Isn't there a way of putting a shortcut or other kind of link so the thread can show up both here and in the Case Modding section?
Nibbler and friends:
Note the anvil lopper I got from my garage (I must love you guys; it's blessed COLD out there). The guy that installed our new tree (hmm; I guess planted is the right word) says loppers are no good. He says those shears are better. I agree with him. You can see I've used both enough to know which is better.
That timer is at least 30 years old. Maybe older. My dad gave it to me, long ago. Behind it is a fan I pulled from a defunct dehumidifier. The fan is still good. And a steel ruler to give a scale to it all.
Klein Nibbler in front. Spare blade behind. Behind that is the side cutter I used before someone turned me on to the nibbler.
And here I removed the slot pillars with my nibbler: