Custom Licence plate keyring

Hey all, this is my first design of something stupidly basic. I made it in FreeCAD; I'm just learning, but I thought this was a cool little keychain to make. You can change the text once imported onto the bed :) Made a little hole for the keyring bit if you've got it, and also rounded the edges. I think it might be a bit too thick, but I thought I'd upload it anyway. FYI - I've not tried it yet, please let me know if you print it and how it goes. P.S I am also looking for tips on the print to make it any better, please let me know, I am open to all help. Thank you all :D