Worked at Cinnabon many years ago: you can roll out dough to a rounded rectangle pretty easily. The trick is to work diagonally corner to corner. The radiused b

Worked at Cinnabon many years ago: you can roll out dough to a rounded rectangle pretty easily. The trick is to work diagonally corner to corner. The radiused bits get cut off with the ends of the rolled, uh, "log" of cinnamon rolls before you cut the finished rolls off of the log. There's some waste but they're shooting for consistent rolls. A home baker making cookies would optimize differently.