The image depicts a seamless pattern of a snow crystal. I referred to a book called　”sekka-zusetsu” or "雪華図説" which means an illustrated explanation about snow crystals.This book was published in 1832 (天保３年) or Edo period. For more about "雪華図説", see here:dl.ndl.go.jp/info:ndljp/pid/2536975
雪水晶無縫模式
design、Edo、pattern、seamless-pattern、snoe-flake、snow-crystal、winter、yamachem、雪華図説
設計、或、圖案、無縫圖案、雪花、雪晶、冬季、Yamache米、Yuka客家詞典
資料來源：openclipart ( https://openclipart.org/ )