Face Vase or Rubin's Vase Optical Illusion

You may have seen the optical illusion that looks like a vase in the middle, but each side shows the profile of a face.  This is called a Rubin Vase and you can read more about it here:
https://en.wikipedia.org/wiki/Rubin_vase

This model is designed to be printed in Vase Mode or Spiralize Outer Contour mode in Cura.  

Pictured Settings:
Layer Height: 0.12 mm
Line Width: 0.6 mm
Special Modes: Spiralize Outer Contour