Hello, I came across your amazing cat skywalk house when looking for ideas for my cat enclosure. I rescue stray cats in my area, desex them and give them a safe place to stay. Including my cats right now there is 23 in my house. I had a cat a few years ago who had fip which is not very common in Australia. We tried our best and got her everything available that would give her a chance. They treated her with interferon medicine. I found a pet acupuncturist that use to come to my house and that would do amazing things for her the next few days. She was a fighter and held on. One day her jaw had moved forward and she couldn’t eat anymore. That’s when we knew it was time and she couldn’t fight any longer. I just wanted to reach out because i know how how bad this can effect kittys. You’re amazing for doing what you are.