Rock Lamp

This is designed such that once it finishes printing a specific bulb holder can be screwed directly onto the base with no problems:

This is the actual one I bought, though it now seems to be unavailable.
https://www.amazon.com/gp/product/B00OZRF798/

These look like the same thing, please let me know if they are:
https://www.amazon.com/dp/B01GU7R2J8/ref=dp_cerb_2
https://www.amazon.com/Feet-Long-White-Ceiling-Pendant/dp/B00J9TILJA

Any sort of bulb should do, pick one that gives the desired color effect you are looking for.

There is an opening in the back to feed the cable through, there are holes for zipties to hold the cable in place.

The lampshade sits loosely on top.

If you like this check out some of my other creations on my website: https://ryanogilvie.weebly.com/