I think I might be a little funny about what I would call stealing… My morals may be a bit extreme?
But I personally try really hard to not use other crochet pieces as inspiration. I personally am able to replicate most pieces that I see pretty easily. So for me seeing another person’s finished piece and drawing “inspo” from it… It feels too much like replicating it for me to feel comfortable using it as inspo. I personally draw inspo from clay artist, digital artist, animated shorts and movies (all the previous, I like to see how they simplify shapes), then I take my understanding of those simplified shapes and make my own sketches in my style.
To me, writting a pattern to make it look like another creator’s pattern, is stealing an idea at the very least. If the pattern already is available, why copy the idea in the first place?
But I am also aware that, there are only so many sts that you can use in a certain order to achieve the same generic shape. Like, a circle, a tube, a cone, square, triangle, etc; they’re all easy and follow the same pattern - so there’s nothing you can do about that.
I think the only pattern I’ve ever used parts of (off the top of my head) was complicated knots (youtube) fidget slug. I used like first 3?4? rounds as my starting face for my banana slug (magic ring, incs, and bbl placement); but the rest, all me.
I’ve used techniques I’ve learned from other patterns, but I don’t actually used the patterns. A lot of the times they won’t fit my pattern.
I personally think that used multiple different parts of many patterns, and saying that its yours is too far. I would rather tag each individual creator and say what patterns of their pattern was used.
So for me, I think all the list has the potential to be stealing. The only leeway I think there is, the parts you’re using, like if they are generic shapes, that’s just common knowledge of how to make those shapes.