This paper snowflake is one I made a couple of years ago. They look amazing hung in a window and can be made in all sorts of sizes.
They are simply made from six pieces of paper and some glue.
Very speedy and very effective. You can find the tutorial to make them HERE
I also developed the ide to form a tree topper star. For this you simply use 5 sections which makes it sturdier. Then spray with gold spray paint afterwards.