its called water transfer printing, pretty awesome process. there is actually kits you can buy to do it yourself.
https://www.youtube.com/watch?v=pKuXyeAGzEU
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I want to do something like in this picture! I have seen ones that don't have the waving design which I like better. Any idea of where to buy something like this??
Why don't the headlight holes and turn signal holes line up?