Ugh, this is it entirely. And then add to the 15 that the final product is going to require imperfections to make it look like it fits the rest of the space.
And my cabinets are different internal heights for some reason?
Our ceilings are made for someone shorter than six feet tall, but our cabinets have spots that my 6'8" friend has to go on his toes to reach. Cabinet logic in old houses is bizarre.