Hudson Eyelid / Rushlight. Confirmed 61.4 mm diameter and approximately 67.3 mm overall depth. Patinated brass photographic approximation. GLB uses metres/Y-up; OBJ uses metres/Z-up. Keep OBJ, MTL and JPG together. FBX/USDZ carry units. Geometry only, no measured IES/LDT photometry. Native client application imports not tested.