The Rycraft Heirloom design pictured below is #U-40 - Snowflake which was carved in 1973 by Carroll Rycraft and retired in 1976.
Click here to see this design in our Collector's Book.
To use a 2" round Rycraft cookie stamp to make a square cookie (as pictured below),
make a batch of dough and press into a jelly roll pan or cookie sheet.
Stamp the design into the dough in rows. After baking, cut into 3" squares.