This is a detroit Lions receiver hitch insert for vehicles. File #1 Print the lion using light blue. File #2 print the silver or gray outline once it's printed take a rubber mallet and tape the silver into the groves on file #1. File #3 Print the receiver hitch portion using black filament, once you have all 3 files printed use a strong adhesive and bond the logo to the receiver hitch and leave clamped over night. 15% infill or greater for all files Normal support with 11% density required on the back side of the logo where the receiver hitch fits into