the pattern is a volumetric multi-colored tile.

tile wall design decorative vintage texture abstract wallpaper backdrop ornament background natural pattern art ornamental decor surface element textile counter antiquefloor centered graphic detail antiquebackground abstractdiamondpattern geometricpatternbackground squaresabstract print decorativewall decoration shape vintagebackground ceilingpanel modern darkgreybrown elegance block diamond geometric countrydecoration square countrydesign blue grey volumetric multi colored pixels purple