Wiktionary
paper snowflake
n. A piece of paper that has been folded many times and then cut so that when it is opened a figure that looks like a snowflake has formed.
Usage examples of "paper snowflake".
Claire and Dean had opened the way for the light, but her crepe-paper snowflake hanging from the ceiling in the gym had held it together.
And in the left-hand corner of each pane was a white paper snowflake reading KRYSTAL KLEER MFG.
The smartalloy stretched into a mesh of hexagons, expanding outward like a child's paper snowflake, and attaining the surface area of a large coin.