As a postprocessing step after generating the mesh:
Copy the mesh and offset all the points in the direction of the
normal. connect all the points at the egdes of the two meshes.
Will not work properly if the offset results in mesh intersections.

Or is that not the sort of answer you are looking for?

Philippe_Gibone wrote:
>>1) I want to make the 'sides' of the panes of the dome have a 'thickness'
> 
> so
> 
>>that I can use them to make domed cities.  The wires/spheres work very
> 
> well
> 
>>for this, but there is no setting for the mesh that makes up the body of
> 
> the
> 
>>dome itself to have a thickness.
> 
> Hi John,
> 
> I'm afraid there is no way to give a thickness to a mesh ;-((.
> The functions I use are parametric (and very complicated ones), no way to
> spin them into an implicit function that can be used in a "thick"
> isosurface.
> There is a possibility to build the dome with elementary prisms, but, i'm
> afraid it's the hell of a job...
> 
> If anybody can think of something else....
> 
> Philippe Gibone
> 
>

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