https://opensourcebridge.scien....ce/wiki/How_to_Train
Introduce your cat to the flap prior to when it's installed so they can get used to the size and shape. The flap should be opened and let your cat explore it from every angle. Make sure the cutout is square and even. Mark the screw holes and align them with the cat flap opening. The distance between the edges must be equal. Preparation Installing a cat flap at home can be beneficial for the health and well-being of your pet. It allows your pet to move from the inside to the outside, without needing to