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Introduce your cat to the flap prior to when it's put in place so that they become familiar with the size and shape. Prop the flap open and let them explore it from every angle. Make sure that the cutout is even and square. Mark the screw holes on your door and align them with the opening of the cat flap - the distance between the edges should be equal. Preparation Having a cat flap installed in your home is beneficial to the health and well-being of your pet. It will allow your pet to freely move from the inside to the outside wi