prompt: a realistic 3d render of a medical orthopaedic polyurethane splint, outer side view. the splint is white. on the outer edges, there are soft green velcro loop bases with smooth edges. crossing over the splint are 3 wide blue adjustable horizontal velcro straps with hook fasteners. the straps have a pressure indicator. clinical, clean, medical innovation design, white background, 3d render, 8k resolution, professional medical illustration.