There's no magic behind the frabjous, just math. But oh, what beautiful math it is!
Our friend Alexa at Readymade highlights this cool tutorial for making your own.
"Ready to do a little math in the name of sculpture? Of course you are! Thanks to Stony Brook professor George W. Hart, you just need some card stock (or cardboard), hot glue, and enough time to cut out 30 shapes based on his elongated "S" template for Frabjous (shown above). Check out the step-by-step guide (and get help with the math part) at Evil Mad Scientist Laboratories."
Pop quiz: From where does the word frabjous come?