No mate It can be anything, again- past, present, futuristic, steam punk Also look at the things as inspiration at the end of my post, ya know Pod racers etc. As I said the skys the limit. no wheels on a Pod Racer LOL Just make it fast and cool.....seriously though check out Daniel Simons work on his site:https://www.danielsimon.net/artdata/artworkselector.html frickin AWSOME!!! Jay