sci-fi maintenance robot 3d model

Sci-fi hacked maintenance security robot, compact quadruped design, four mechanical legs, small armored rectangular body, large single glowing red optical sensor on the front, worn white and dark gray metal armor, orange industrial accents, exposed mechanical joints, cables and pistons, slightly damaged and used appearance, futuristic spaceship maintenance robot, hostile security machine, realistic hard-surface 3D game asset, detailed mechanical parts, symmetrical design, no weapons, no humanoid features, game-ready, PBR style, clean topology, suitable for Unity first-person sci-fi game. Style: Realistic / Hard Surface Purpose: First enemy for your spaceship game Colors: White + dark gray + orange + red glowing eye Design: Simple enough for a beginner Unity project but visually impressive.