When choosing quilting motifs keep in mind the use of contrast to create interest. Here a curvy meandering style is juxtaposed against an angular straight-line style. Variety adds spice.
The tree is more than first a seed, then a stem, then a living trunk, and then dead timber. The tree is a slow, enduring force straining to win the sky. ~Antoine de Saint-Exupéry, The Wisdom of the Sands, translated from French by Stuart Gilbert