It's been tried, usually by people with plasma experience, fancy weather vanes seems to be the thing with popular appeal.

Plasma is low tolerance so you might target arty types and welders. Laser cutters usually quote 0.2mm tolerance on a good day, but they don't have the same problems with corners that the plasma tables do.

Expertise in marketing and slick web design is probably more important than plasma experience, but you will need to understand the machine limitations.