Indigo Topography

Create an original monochrome abstract field made entirely from densely crowded curved contour lines. The lines bend into nested whirlpools and impossible topographic folds, producing controlled visual chaos. Precise ink-like line art and contemporary optical abstraction, edge-to-edge portrait 4:5, with multiple flowing basins rather than one central spiral. Indigo-violet ink on warm white archival paper with subtle ink variation. No text, logo, watermark, figures, or recognizable objects.