Create a 3D cartoon character portrait of a young boy with short

Create a 3D cartoon character portrait of a young boy with short, dark hair styled neatly, wearing a blue collared shirt. The character has a cheerful expression, with a wide, friendly smile. The background is a smooth gradient of blue tones, giving the character a modern, polished look. The style should be realistic yet retain a slight cartoonish feel, emphasizing the facial features and clothing details for a lively and approachable appearance