Hudson eyelid. Black, CorTen, NATO Green and Terra Brown powder coats; plain brass, solid copper and solid bronze. GLB metres/Y-up; OBJ metres/Z-up. Keep OBJ, MTL and JPG together. FBX/USDZ include units. Confirm scale on import. Presentation geometry, not manufacturing CAD. No measured IES/LDT photometry. Finish appearance approximate. Native client application imports not tested.