Salt Shaker Modeling in GeoGebra Augmented Reality

Here's another illustration how how domain restrictions can powerfully affect graphing surfaces within GeoGebra Augmented Reality. Questions to consider: What kind of quadric surface is the blue surface? How can we tell? Since the pink plane has only 2 domain restrictions listed, why are there 4 holes?

Quick Demo (1)

Quick Demo (2): Cameo appearance: Mark Kaercher :)