A PostScript Gallery of Famous Surfaces
Möbius strip of Schwarz
  with zero Gaussian curvature (colored by normal)
Klein bottle
  (colored by mean curvature)
Klein bottle of Banchoff
Klein bottle of Loos
  (colored by Gaussian curvature)
Roman surface of Steiner
  (colored by polygon area)
Roman type surface of Apéry
Boy surface
  (colored by distance)
Halfway model of Morin and Petit
  (colored by polygon area)
Twisted projective plane of Apéry
  (colored by mean curvature)
(These PostScript files were generated by
PITS
from polygonal models created by
Surflab
).