I wanted to make a lithopane style lamp out of the new style (2000's+) Mario Item Block for my son, but couldn't find a quality file that wasn't a retro (pre 2000's) Item Block. So using the base that I use for my own personalized lithopane lamps, I went into Fusion360 and designed my own.

A few other materials are needed for this project

This particular model is designed for single extrusion PLA, as my work area is not ventilated and I avoid ABS where I can. Because I'm using PLA, I decided to use a g9 Socket base, found in a 10 pack (recommended)
https://www.amazon.com/gp/product/B015TJFCPO/ref=ppx_yo_dt_b_asin_title_o07_s01?ie=UTF8&psc=1

or as 1pc:
https://www.amazon.com/Socket-TOOGOO-Socket-Ceramic-Light-Holder/dp/B00UBNCGXK/ref=sr_1_10?keywords=g9+socket+cable+lead&qid=1551263509&s=hi&sr=1-10

The Bulb, must be lower temp to avoid bubbling the PLA over time, so I went with Low Heat Output, 4W, 3000K (WarmWhite) G9 LEDs, found at:
https://www.amazon.com/gp/product/B06Y2681X3/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

You will also need a power cord, with a switch of some sort, pre-tinned for soldering. I use cords from a local hardware store in my area, but there are several options online, such as:
https://www.amazon.com/Creative-Hobbies-Rotary-Switch-Stripped/dp/B00HP8SUUM/ref=sr_1_6?crid=1XQ7DK9Z13VDE&keywords=lamp+power+cord&qid=1551264445&s=gateway&sprefix=lamp+pow%2Caps%2C157&sr=8-6

The only real assembly required will be the 2 screws connecting the g9 socket to the base. For this, I use a 2/56 thread to pre-thread the plastic holes, then use 2 2/56 3/4" screws to assemble.

Once Printed, I used painters tape around all question marks, and got to painting. A quality sand, 2 coats of primer, another sand, 2 coats of White Acryllic, 1 coat of Mod Podge matte waterbase sealer, and 2 coats of Mod Podge clear acryllic sealer spray were applied.

This sounds like a lot of work, and is probably slight overkill. But the finished product is scratchproof, waterproof, very clean, and has the same texture and shine of the printed plastic.

Once printed and painted, the lid should snap right into place, no glue or screws required.
The light is a dim atmosphere/reading light, so I have included 2 lids, 1 closed, and 1 open as to let a little more light escape if you wish.

Safely solder together your socket and power cord, test with a bulb to make sure it works, then wrap in electrical tape, screw the socket to the frame, and you're done!

I welcome any and all feedback or questions regarding my designs! Please let me know what you think :)