You did it! You are now taking another step towards making money from your art. You are now making physical copies of it, which can greatly increase your clientele.
Despite the existence and the use of digital marketing, many old-school marketing methods still work. One of them is giving away promotional products at events.
Launching your business or brand is just one part of it. You will compete with a lot of different brands out there. Make sure your brand truly sticks and has strong recognition.