Barrel Lamp

Base needs support in the centre, let the edge groove bridge, no supports. Lid needs supports  - try not to get support material in the threads. The light diffuser needs supports on the overhang. 

I have included a photo with my recommended print orientation.

You will need a cable such as: https://amzn.eu/d/gH4TqVA - use LED bulbs so not too hot. Use a recessed ceiling bulb as they are flatter - larger bulbs may not fit.