blue naive checkered seamless pattern on white. messy graffiti sketch wallpaper print in grunge style with trippy grid. swiss

check grid pattern seamless 1970s blue naive white line stripy kid children groovy simple print tartan gingham plaid vichy 60s 70s vertical crayon aesthetic boho handdrawn trippy contemporary retro hippy square scottish vintage abstract poster nostalgia cute design brush grunge texture doodle fabric pastel rough messy swiss linocut backgrounds geometric checkered white graffiti sketch wallpaper style grid bright childish colors