You don't need expensive or hard-to-find materials to make a good light fixture. Previous technology focused on incandescent bulbs, which are very hot and consume a lot of currents. Current homebuilders have economical LED lamps that produce little heat, which allows for a simplified design. To make a lamp in quality, not inferior to industrial samples, you will need scraps of metal tubes, steel wire with a diameter of 1.5-2.5 mm, galvanized steel sheet thickness of 0.4-1 mm, and inexpensive plastic products. You can buy a light bulb here https://www.amazon.com/smart-light-bulbs-wifi-bluetooth/dp/B09K38ZXYG. You have a lot of options.
