Your product is growing and the design is starting to pull in different directions. Screens look a little different from team to team, designers rebuild the same button every sprint, and developers guess at what the spec meant. A design system fixes that, and a good one makes your team faster every month after it ships.Your product is growing and the design is starting to pull in different directions. Screens look a little different from team to team, designers rebuild the same button every sprint, and developers guess at what the spec meant. A design system fixes that, and a good one makes your team faster every month after it ships.