Controller Casing Free 3D model

its pretty simple design, which looks decent over the wall.there is 4 LEDs and two hidden button as well just bellow the red color LED.1 LED is on the top(red) and 3 are in the bottom(yellow).there is a place for USB too at a side.and a button to switch off the controller.and in the middle there is a SMALL SCREEN to show the temperature and all minimum requirements.