Tor Olav Kristensen wrote:
> 
> Yesterday I did some more work on some CSG-macros of mine.
> They will "round off" any concave shape made with intersections
> of planes, like the upper left shape.

Nota bene:  The shapes depicted are convex, not concave.

> The lower right shape shows how the resulting shape looks
> like if both the edges and corners are wounded off.
> 
> The rendering is slow, so now I'm working on the macro
> so that it will render much faster.

It's possible that making each face into a prism will help.  This
might be difficult, however.

Regards,
John

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