I used the Halo Spartan Logo created by
https://tinkercad.com/users/1fYidrHBFBt-nathan-allan
and made a fun moral patch for my brother deployed in Korea.
I feel if he likes them I might make more.

Psalms 23:4 "Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me."

This thing was made with Tinkercad. Edit it online
https://tinkercad.com/things/1n0begonP7a

You know you could probably spray paint this and put it on your car.