Spitz is an algebraic surface of equation
(y² - x² - z²)³ = 27 x² y³ z²
**Authors: [Erich Fuchs](https://www.forwiss.uni-passau.de/~fuchs/), [Manfred Kuhnkies](https://www.forwiss.uni-passau.de/de/staff/95/) and [Alexander Zimmermann](http://www.forwiss.uni-passau.de/~zimmerma) from [FORWISS Institute](https://www.forwiss.uni-passau.de/de/projects/64/)**
You can download this model directly from [IMAGINARY](http://imaginary.org/hands-on/twelve-algebraic-sculptures) (no login required)