RetroFlag NESPi Embedded NFC Tray

This are the parts to modify the RetroFlag NESPi case and add a cartridge slot with a functional embedded NFC tray.
The tray included in this project, is a modified version of kiddingme's embedded NFC tray published Apr 9, 2017, his original design can be found here:
https://www.thingiverse.com/thing:2238242.
The NFC cartridge in the project is a slim down version of the "Cartridge mod requires no glue" published Jan 31, 2017 by kiddingme, you can find more information about this project at:
https://www.thingiverse.com/thing:2073686.
The NFC tag I use for the cartridges are the MIFARE Classic 1K, you can get this from Amazon in packages of 50pcs, this is the link: https://www.amazon.com/gp/product/B01LZYOR7P/ref=as_li_ss_tl?ie=UTF8&psc=1&linkCode=sl1&tag=macosell-20&linkId=98f4f87bff45566c2f77bec4626a73f2.
#####Preparation
Before you can use this cartridge slot, your RetroFlag case needs to be modified, follow the instructions on this video by Evan Wright to prepare your cas