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Introduce to the flap before it's put in place so that they get used to the size and shape. Open the flap and let them explore it from every angle. Make sure the cut-out is level and ensure that the cut-out is square and even. Mark the screw holes on your door and align them with the opening for the cat flap - the distance between the edges must be equal. Preparation Installing a cat flap at home can be beneficial to the health and well-being of your pet. This is because it allows them to move freely between indoors and