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The moiré pattern occurs predominantly because of the black lines. the background is white acrylic paint with some lines.
abstract drawing with a moiré pattern in black and white stripes and lines
second part of a diptych, an abstract drawing with many lines, partly black, partly white.
line drawing in black and white on a hard surface. The lines are made with markers and I used also acrylic paint.
It's not possible to see the whole picture, you need to focus on one layer at a time.