//=time() ?>
Two interesting trends popped out in the tests, grids and left/right split...
Playing around with a 3d effect on the brush strokes, thanks for the poke, @FlexElektro
Lunchtime runs. Changing to a square ratio and adding a full, columns, or rows arrangement.
Some more. I added in a Clifford and Jong attractor along with normal simplex noise. With the quantization of angles, the swirls take on an almost crystalline appearance (top right).