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Introduce your cat to the flap prior to the installation so that they become familiar with its size and shape. Unlock the flap and let your cat 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 for the cat flap - the distance between the edges must be the same. Preparation Installing a cat flap inside your home is beneficial for the health and well-being of your