I have a commercially available coin tray for my car but I wasn't happy with the coin holder area and wanted a place to put my aftermarket QI wireless charger puck.
This is a work in progress and I've included the Fasion 360 design files so you can mod it to your needs. Enjoy!
Print with PLA, no more than 15-20% infill.
Prints flat on a 220x220 bed. Supports required for the lips, set to 80 degrees.