A real lamp to build a led can be insurted.
To get the right color use the right filament.
Sketchup file = lampfitting
The lamp blades 6x4 needs to be printed four times!
Your printing plate should be dead level only 2 layers to print.
Base is a E27 one a bold can inserted to make contact.
Place a led lamp of you choice inside before finishing!
A nail veil is useful to get ride of the base edges.
To fix the base to the lamp ace ton will do the trick (ABS) or glue.
Lamp-4.stl is a sample.