https://articlescad.com/using-....a-cat-flap-in-bifold
The process of installing a cat flap may be a bit daunting however it's actually quite simple to install by following the correct instructions. Firstly, determine how high you would like the flap to be (on average or belly height). Then, mark this area on the door and then use the template included as a guideline to drill. If you have a kitten who is still a newborn then gently prop the door slightly open and encourage it to walk through. Reward the kitten every time it goes through. Measure the Door A cat flap is a g