symmetric seamless grunge pattern of chalk drawn sketches stars and spirals on dark blackboard. starry space print

star spiral fivepointed fivebeam night sky starry crayon chalk chalked charcoal pastel blackboard board chalkboard white blue orange red violet yellow black cartoon cute scrawl scribble doodle draw drawing hand sketch painted grunge kid childish child children school vector illustration image color colour textural texture seamless pattern motif background print