curved paint marks black collection. creative coarse smudges roughened streaks textured, brushwork raw blemishes

paint streaks ink smear marks black brush collection blemishes smudges stroke paintbrush splash creative coarse raw texture grunge set design art white watercolor backdrop ai shape gen artistic abstract background illustrations element stain graphic border dirty vector line pattern brushstroke splatter banner grungy drawing dry acrylic graffiti trace silhouette frame generated