1960s kitchen decor! Can also be seen as snowflakes.
This delicate star print is a fairly large repeat (18") and would make the perfect pattern for a midcentury chair or pillow, or purchase it on a pre-upholstered chair at roostery.com (search for galleryinthegardendesigns). Also avaiable in color: https://www.spoonflower.com/fabric/7452369-mid-century-stars-sage-terracotta-orange-ochre-by-galleryinthegardendesigns