Are you a sewer or a sewist? Threads magazine discusses the pros and cons of each term. Personally, I go back and forth. Sewer is the more traditional term, but in writing it can be confused with a city’s sanitation system. Sewist avoids that confusion, but it sounds a little contrived to me. Go to their article and join the conversation.

Whatever happened to, “Seamstress?”
Seamstress? Tailor? Sewist sounds affected, and Sewer is where wastewater goes.
seamstress, or embroiderer. sewist always sounds hideously american to me
There just doesn’t seem to be a good word for us! You’re right that Sewist sounds affected, and Sewer can be misread as sanitation. And then seamstress and tailor seem to be more like professions.