THIS IS NOT A DESIGN OF MY OWN!
I saw one of them this Christmas in the house of a friend, made by their child in the school, and I fell in love, because it is simplicity itself.
I published it here because I could not find it published before, and I want it to be accesible.
Step 1: Needing... Near to Nothing.
Paper, scissors, may be cutting knife... ah, yes, you will need a compass.
You may want to draw a template.