Construct a mesmerizing image of a robotic duck fashioned in the elaborate, intricate style of steampunk aesthetics. The duck's metallic exterior gleams with a polished brass finish, adorned with an array of cogs, gears, and intricate clockwork mechanisms. Its wings, crafted from sleek, riveted steel, shimmer in the soft glow of ambient light, while a series of steam vents release wisps of pressurized vapor into the air. The duck's eyes, fashioned from antique brass gauges, gleam with a warm, inviting glow, exuding an aura of mechanical intelligence and charm. A series of ornate, engraved patterns adorns the duck's sleek metallic body, adding a touch of Victorian elegance to its rugged, industrial design. The duck stands proudly on a set of mechanical legs, each joint articulated with precision and grace, ready to embark on its next adventurous journey through a world of steam and gears.