Christopher James Huff wrote:
>In article <web.3df51889472923f770499b5a0[at]news.povray.org>,
> "Arlon Meisner" <ame### [at] comcastnet> wrote:
>
>> I want to round over an edge of a box. I have tried the "Round_Box_* " macro
>> but it rounds all edges. The z box-edge length is less then x and y. The z
>> box-edges are those that I want rounded to a given radius.
>
>Do it the same way the macros do it, with CSG. If you only want the
>edges along the z axis rounded, a union of 2 boxes and 4 cylinders
>should be sufficient.

I don't understand how a union of these objects will remove the sharp corner
that lies along the z axis. It seems to me that a union will simply result
in two (why two?) boxes with 4 cylinders (lying along the z axis) simply
buried in the boxes. An explanation would certainly help this newbie.
Thanks.

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