monochrome seamless retro pattern of chalk drawn sketches stars and spirals on chalkboard backdrop. night sky print

star fivepointed fivebeam night sky starry stellar crayon chalk chalked charcoal pastel blackboard board chalkboard white black cartoon cute realistic scrawl scribble doodle draw drawing hand sketch painted grunge kid childish child children school class vector illustration image color colour textural texture seamless pattern motif background print continuous patterned symbol