Litter-box Exhaust Fan

Favorite
Litter-box Exhaust Fan
- -

I built this for my cats. There is a 120mm computer fan and a motion detector set to run the fan for 5-minutes when the cat enters the box. Kitties shouldn't have to take a #2 without fresh air, should they?

What a Beautiful Window!

Favorite
What a Beautiful Window!
- -

Someone had better paint on a doorknob in case there's a fire!