It was women in Victorian England venting their frustration through collage in the 1860s through the '80s about their place in society and just how society was industrializing.
Peter Bauman, Jared Madere on Yeche Lange, VVV & Solana
For instance, to algorithmically create the grain of aged collage paper, one can draw repeated faint lines of varying lengths over and over again in a random distribution throughout the canvas.
Emily Xie, Emily Xie on Textile as Personal Canvas