Like most paper artists, I'm thrifty. For example, when I punch, I like to find the most effective way to use the paper, so that I throw away as little as possible.
While trying to find the most economical punching layout for the snowflake, I lined the edge of the punch with the center of the hole left over from the previous snowflake. To my utter delight, I discovered that my approach created a gorgeous punched border.