Hi, Thanks for the great article.
I create this tool for finding trends on redbubble. I think it could be useful for redbubble artists to check trends daily, our tool extract trends on redbubble every day.
Every day we extract around 500 trends from redbubble. Please take a look at our tool, and if you find it useful please add it to your great article.
our tool check for trademarks too, so you can find low competition and trademark free trends on a daily basis

https://insightfactory.app/redbubble-trends/