Nicolas George <nicolas$george@salle-s.org> wrote:
> Hi.
>
> I often wonder how to make cylinders joining with a miter-join, that is:
>
> ------------+
>            /|
>           / |
>          /  |
> --------+   |
>         |   |
>         |   |
>         |   |
>
> The solution that comes to mind immediately is to use something like:
>
> union {
>   intersection {
>     cylinder { horizontal }
>     plane { diagonal, interior up }
>   }
>   intersection {
>     cylinder { vertical }
>     plane { diagonal, interior down }
>   }
> }
>
> But it leads to coincident surfaces. Making the cylinders overlap is not
> good either, because near the point of the angle, the biggest cylinder is
> the wrong one.
>
> Any suggestion?

You can clip the joining ends of the cylinders by a plane properly oriented,
and then make the connection (use of clipped_by{plane{}})

    Bruno

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