"Mark M. Wilson" wrote:

> The problem seems to come when I try and union or merge the two partial arcs
> so that they form the characteristically Gothic ogival arch.  When I made
> the actual archway, intersecting two inverse cylinders (or subtracting two
> intersected cylinders from a 'box' ) was no problem.
> I just can't get the tori to behave the same, because there is open space in
> the middle.

You mean the tori are cut by a radius so that the angle of the cut on one torus
doesn't meet up with the other torus?

I'd position the torii and then cut them then, the cutting is as simple as a
plane on the yz axis (or yx or whatever) halfway between the two.

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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