Exercise 11 of the Choosing Tangle Patterns ebook is about creating contrast and separation between tangles that have similarity.
For this tile I picked Floo, Purk and Fracas, all tangles deconstructed by Zentangle, Inc. The similarity is that they have the same Structure (Blossom), but their ICSO structure is different.
Here is the line-art:
And here is the final picture again: