Geometrical fractal based logo concepts

⚠️ Time to vote! ⚠️ Which option is your favourite 1, 2, 3 or 4?

I stumbled upon those unused logo concepts I did for one of my clients over a year ago. All the concepts were fractal based, and I had a lot of fun making them.

What do you think about fractal based logos: Yay ✅ or Nay ❎ ?