I have a Saab 9-7x that I put trailblazer ss wheels on but couldn't find non bowtie center caps so I modeled these blank caps! There's two small holes for putting glue in to keep a sticker securely in there and I recommend plastic or silicone stickers to remain weather resistant. The center has a cutout to fit the cv axle stud, and they fit MOSTLY flush but stick out the slightest bit so I recommend printing in black or whatever color the sticker is.
I also personally printed these in PETG-CF, and I recommend a filament that is able to handle all kinds of weather.

This is (basically) my first 3D printed project and I am 100% open to criticism. If you have questions, comments, or feedback of any kind leave a comment and I'll do my best to get back to you.