Rick Measham <rickm*at%isite.net.au> wrote:
> Try as I might, I can't work out how to get this bevel to work.
>
> The arch is a box with a cylinder. The cylinder is then y-scaled to the
> desired shape.
>
> The bevel is done with a cone in the same y-scale, however this means
> the the center approaches a 0-degree bevel rather than the 45-degrees at
> both sides.
>
> It is possible to fix this?
>
> Cheers!
> Rick

I don't know how to fix the CSG, but I think you could do the same thing
with a spline & prisms. Create a spline in the shape of your arch. Use the
spline to make 2 prisms, one with a linear sweep for the arch and another
scaled slightly larger with a conic sweep for the bevel.

RG

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