For this Lamp Print out
9 times "Piece"
3 times "Final Piece"
1 "Socket Holder"

You can find instructions on how to assemble the lamp here:
Watch the video

Print settings:
Make sure you use enough walls to make the part solid. Otherwise, the infill might shine through. No supports needed.

You can use these Parts:
UPDATE:
I made a universal Socket holder. You are not dependent on these Parts anymore.
You can find that in the .zip folder.
More info here: https://youtu.be/gKZ7UQk_apU
Just make sure to get it inside BEFORE you put in the last Piece.
If you can still get these parts:

EU Socket:

EU Bulb:

US Socket:

US Bulb:

Rope:

Hope you Llike your Lamp.