nestlé has developed the alarm cap, a limitededition 3d printed lid with powered electronics.seven different alarm sounds, including a bird song, work in tandem with a gently pulsing light to wake a sleeper in a natural and calming fashion. the user opens the lid to switch off the alarm and in turn is greeted with the refreshing, awakening smell of morning coffee.the base of the lid is made up of a fourway joystick and an oled display, powered by an arduino, while the lid itself is 3d printed in two parts.