Provided by:
xscreensaver-gl-extra_5.07-0ubuntu3_i386 
NAME
klein - A Klein Bottle (and other parametric surfaces) visualization.
SYNOPSIS
klein [-display host:display.screen] [-visual visual] [-window] [-root]
[-speed number] [-rand] [-spin] [-wander] [-fps]
DESCRIPTION
This draws a three dimensional visualization of a Klein Bottle
parametric surface (the three dimensional equivalent of the Moebious
strip).
OPTIONS
-visual visual
Specify which visual to use. Legal values are the name of a
visual class, or the id number (decimal or hex) of a specific
visual.
-window Draw on a newly-created window. This is the default.
-root Draw on the root window.
-delay number
Per-frame delay, in microseconds. Default: 20000 (0.02
seconds.).
-speed number
Number of frames before changing shape. Default: 150.
-rand Randomize the parametric surfaces displayed. Use random OpenGL
primitives too. -wander | -no-wander Whether to wander around
the screen. -spin | 0-spin Whether to rotate around the centre
of the figure.
-fps Display the current frame rate, CPU load, and polygon count.
ENVIRONMENT
DISPLAY to get the default host and display number.
XENVIRONMENT
to get the name of a resource file that overrides the global
resources stored in the RESOURCE_MANAGER property.
SEE ALSO
X(1), xscreensaver(1)
AUTHOR
Andrey Mirtchovski.