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Introduce your cat to the flap before it's installed so they can be familiar with the size and shape. The flap should be opened and let your cat explore it from every angle. Make sure that the cut-out is even and ensure that the cut-out is square and even. Mark the screw holes and align them with the cat flap opening. The distance between the edges must be the same. Preparation Installing a cat flap in your home can be beneficial to the well-being and health of your pet. This is because it lets them to move freely between indoors and out without