Well there is stuff like this. https://www.amazon.com/gp/product/B07WC89JWF/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

Water Slide decal sheets that you can print on your printer. Then you spay clear coat on them and use them like any slide decal. They also make them with a default white background. Not super expensive so might be worth a shot.