Finding free design resources these days is pretty easy, but finding quality free design resources is anything but.
That is, unless you know where to look.
I used to simply Google terms like “free t-shirt mockups” or “free photography filters” and work my way through the results until I found what I was looking for. The problem was that I would often find far more low quality resources than I would high quality, and filtering through them all could be quite time consuming.
After years of doing this, I started to notice that actually, most of the best stuff I found was on the same group of sites. These sites I now regularly turn to first, before Google, or anywhere else, and I’d highly recommend adding them to your bookmarks.