PlayStation 4’s DualShock 4 controller went through multiple design phases within Sony’s internal development team, said SCE Worldwide Studios boss, Shuhei Yoshida.
“We created a lot of different shapes before we settled on this controller,” Yoshida-san told Famitsu magazine (via Polygon).
"You see new devices and sensors go on sale every year, and the way games are played change along with that. So instead of just making the DualShock 3 into the DualShock 4, we just tried to get as many ideas out there as possible.
Turn the page to learn more about the design process behind the DualShock 4.