Sometime's I Will paint / detail " The living crap" out of a kit ( I have been known to put 1/25 scale Beer can's under pick-up seat's) I have also built a 1/87 scale camp car that had only two small window's and a door at each end. Full interior, 4 set's of bunk-bed's, a table ,4 chair's a potbelly stove, and a bathroom ... ( there were clothe's and blanket's scattered all over. ) When I completed the model, both door's and one window were all closed.... so the only way to see ANY OF IT, was with a flashlight , through a window roughly the size of a dime .... if the dime was square.
Yes, I will paint the wheel well's on plane's unless their wheel's up.
Yes, I will paint the interior of a tank .... or submarine connong tower ( not the interior of the "pressure hull"..... I'm not TOTALLY BONKER'S )