[widebody911]

Originally Posted by john70t

That 'triangle lift hinge thing' probably won't work.
Cats will wonder why the door thing suddenly doesn't work today.
And then they will proceed to claw a hole through it.

There are some nice pet-portals on the market.
The previous owner put in a budget square door opening, which could have a spring door or other on it. Whatever works.

Exactly. It's an attempt to answer a question nobody asked, to the tune of $35k