Bohemian Dome
A Quartic Surface which can be constructed as follows. Given a Circle 
and Plane 
Perpendicular to the Plane of , move a second Circle 
of the same Radius as through space so that its Center always lies on and it remains Parallel to . Then sweeps out the Bohemian dome. It can be given by the parametric equations
 |  |  | |
 | |  | |
 | |  |
where
. In the above plot, 
, 
, and 
.See also Quartic Surface
References
Fischer, G. (Ed.). Mathematical Models from the Collections of Universities and Museums. Braunschweig, Germany: Vieweg, pp. 19-20, 1986. Fischer, G. (Ed.). Plate 50 in Mathematische Modelle/Mathematical Models, Bildband/Photograph Volume. Braunschweig, Germany: Vieweg, p. 50, 1986. Nordstrand, T. ``Bohemian Dome.'' http://www.uib.no/people/nfytn/bodtxt.htm.
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