circular exterior staircase with a metal stringer and steps made of irving steel grating the design should look modern with very clean and refined lines include a simple wrought iron railing that feels minimal yet elegant surround the staircase with garden landscaping for ambiance add indirect lighting integrated into the steps to create a subtle glow the metal stringers should be lacquered in a dark gray finish put the door of the elevator to the left side of the stairs change the railing for one more clean and modern