This is a center cap designed to fit on Enkei RPF1 wheels. They may be able to fit other wheels with the same size hub as well.
There are a few different files with different image designs.
2) STI emblem
3) Rally Pig emblem
4) Batman symbol
Feel free to request other image designs and I'll make and upload them for a tip!
Printed on a Stratasys Fortus 450MC in ASA black ASA with soluable support.
Should be able to print on hobby printers too though may need to adjust model sizing for shrinkage. Fitment is intended to be tight.