[Photo: TigrisLi on Instructables] Remember the stupid-yet-awesome cardboard scratching post turntable for cats? Well, clever cardboard creations for your beloved feline don’t end there. If you have a ...

It looks like a flattened cardboard box. But with a few folds, a new design transforms into a low-cost bed that can be used at shelters after a disaster. “It’s one of the most in-demand, basic pieces ...