abstract liquid black organic blob silhouettes. simple ink splat, spot and stain. pebble stone forms. random fluid

blob silhouette irregular random vector organic black liquid round splodge fluid shape splat element blotch spot oval stone pebble simple smooth background set splotch collection uneven stain graphic blot form splash inkblot isolated bubble design wave flow paint deform minimal illustration distortion white unique asymmetric basic asymmetry gravel artistic