#	Cubic Klein Space
#
#	Like a cubic torus, but the floor (y = -1/2) is glued
#	to the ceiling (y = +1/2) with a side-to-side flip.

 1.0  0.0  0.0  0.0 
 0.0  1.0  0.0  0.0 
 0.0  0.0  1.0  0.0 
 1.0  0.0  0.0  1.0 

 1.0  0.0  0.0  0.0
 0.0  1.0  0.0  0.0
 0.0  0.0  1.0  0.0 
 0.0  1.0  0.0  1.0 

-1.0  0.0  0.0  0.0 
 0.0  1.0  0.0  0.0 
 0.0  0.0  1.0  0.0 
 0.0  0.0  1.0  1.0 
