This isn't a "pattern-maker" because it's less customizable, more like a screen saver. I saw something like this get curated and was a bit annoyed bacause it's such a simple concept, and I decided to prove it with this. Select your starting color and your color change (returning features from the Pattern-makers) and press space to cycle through 4 patterns with your specifications. Part of the engine is taken from my Pattern-Maker 3.