iMac could have been made without a chin, proves new hack
Some users were disappointed by the 24-inch iMac redesign since it retained the chin — so one engineer decided to redesign the case.
The iMac with it’s chin moved to the rear casing
The 24-inch iMac was released in 2021 with a redesigned chassis, but it still had a small chin on the lower edge of the display. Apple placed the processor and ports in this section of the display to keep it super-thin and uniform.