Seljuk is one of my own tangles. One thing I like about it is that it can have a rather random-looking dark/light aspect, even though the pattern is not at all random. A while ago I had started one of Erin Olsen's zendala dares (#25) and then got stuck. Seljuk unstuck me.
Tangles: Auraknot, Black Pearlz, Caviar, Pearlz, Seljuk
I'm particularly pleased with how the next tile turned out. The shading did a lot.