Two political posters, both pushing the same message. The top one looks artificial and unconvincing: it’s too clean, too crisp, and too new. It doesn’t take much work to turn this dull poster into something altogether more weatherbeaten and lived-in, giving it the air of having been left out on the street for a few weeks.

11 Paper and fabric

IN THE LAST CHAPTER we looked at hard surfaces — metal, wood and stone. Paper and fabric, by contrast are floppy, malleable substances that bend, crease and crumple. It’s getting these creases and wrinkles ...

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