Create a 4K realistic 3D model of a Full Body South African Springbok with the these features: a slender, elongated body with a smooth, glossy coat in tan and white. Has a streamlined build, long legs, and a graceful posture. The head is slender with curved, pointed horns, and the coat is short-haired. Include distinct color patterns, primarily tan on the upper body and white underbelly, with dark stripes along its sides. Ensure lifelike textures and details for use in a Unity game, #realistic#