My license plate light cover broke and I didn't want to pay $25 on ebay or run to the junkyard. This design just replaces the black part of the original, so you'll need to pry that off and hold this one on either with glue or tape. Two different models, one using slats to keep some rocks out and one that's solid for clear filament. The groove shape on this model was eye-balled so don't expect a snug fit without adhesive.
I'm not sure exactly what cars this works for, but based on some ebay searching it might work for all 1998 to 2011 Ford Crown Victoria, Mercury Grand Marquis, and Lincoln Town Car models. Definitely works for the 2003-2006 Grand Marquis at least.
It's not really load-bearing, so any material should work well with 3+ perimeters @ 0.4mm nozzle. I used ASA for the black print then swapped to clear PETG for the solid design. May reprint the solid one again using the "How to print glass" guidelines.
The author marked this model as their own original creation.