<boolean id="ants" _label="Draw ants" arg-unset="-no-ants"/>
<boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+ <xscreensaver-updater />
+
<_description>
This animates a 3D rendition M.C. Escher's "Moebius Strip II",
an image of ants walking along the surface of a moebius strip.