I wanted to test reading NTAG213 RFID cards, so looking through the internet, I found the schematic to connect a PN532 card to an Arduino Nano using the SPI interface. With code available thru ebay, I have a functioning card reader.
Created in openSCAD
Thanks to raster and is Arduino Nano Holder , thing https://www.thingiverse.com/thing:1586850 for the code for the basic nano holder.
and KitWallace for showing how to use the fonts