https://articlescad.com/how-to....-install-a-cat-flap-
Installing a cat flap onto an entrance door lets your pet to come and go as it pleases. Follow these steps to learn how to draw the shape, and then use an jigsaw, or a hole saw to cut it and install your cat flap. If your cat flap has a manual 4-Way lock, you can limit access to wild animals, pests and strays. It's also a good idea to keep some plant pots around for your cat to hide in. Placement A cat flap is not just a means for your pet to get out more quickly, but it can also keep unwanted animals like rodents and cats o