MARK-1 Iron Man suit, emphasizing its rugged, industrial look. Use metallic gray with rust accents. Design an oversized helmet with a faceplate, featuring a glowing arc reactor. The chest plate should highlight mechanical components. Create bulky arms and legs with articulated joints, plus a functional-looking jetpack on the back. Apply various textures for realism, and set dramatic lighting for rendering. Deliver a high-res model, rendered images, and optional video showcasing features.