I got my start in surface pattern design via Skillshare. Below is a link to get you 14 FREE days of Skillshare access, followed by the names of the teachers I’ve used so far. Of course, you can use your time learning from any teachers about any subject!
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~ Print on Demand Sites I Use:
Spoonflower.com ~ https://www.spoonflower.com/profiles/charlottesews
Society6.com ~ https://society6.com/whatevershepleases