“One Zentangle A Day” by Beckah Krahula - Day 18 - Curvilinear Geometric Patterns The new tangles introduced in this lesson are Cadent, Gneiss and Huggins. Last night, when I was playing around with variations of Cadent, I had this idea that combined a geometric shape with both the triangular variation and the standard style of Cadent. I gave it a go on this tile. The result is a kind of layered effect in the center, where I placed the tangle Gneiss.