Peter Warren wrote:
> Here's a 1750 painting by some Italian dude of what I'm going for.
> I've got the coffers (arch.tech.talk) down, ...

Someday, if I ever learn the necessary math, I'd like to design a
coffer-dome based on a tessellation of the hyperbolic plane.

At
http://www.superliminal.com/geometry/hypertes/HyperbolicTesselations.html,

Some of these consist of straight lines running throughout.  Project one
of these stereographically to the hemisphere, and you get a set of
arches that meet the plane at a right angle.

Unfortunately, my favorite pattern -- that shown by the blue lines in
http://www.superliminal.com/geometry/hypertes/4_5_trunc0_512x512.gif --
leaves a much bigger hole than the Pantheon analogy allows.

-- 
Anton Sherwood  --  br0### [at] p0b0xcom  --  http://ogre.nu/

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