>   There is a major difference between the two. The union is really not
> a true CSG operation and could be more accurately described as a group
> container. This makes it possible to combine several elements into one
> item that can then be translated, rotated, and scaled as if they were
> just on object.

In other words, just use a group in Moray ;)

>   A merge operation on the otherhand is a true CSG operation and has
> specific uses. The main feature of a merge operation is that it will
> remove the interior surfaces of over lapping objects. This is useful
> it you don't want a "cell" effect when over lapping several objects
> since the merge operation removes all internal faces. You will in most
> cases use this operation only when using clear objects but the are some
> special cases where you can use it with solid colored objects as well.
> I would have to dig deep to give you an example of the last but would
> gladly do so if you are interested.

Yeah, I'm interested!  I'd like to see how the merge operation ticks.

Don't go through too much trouble, though :)

Thanks!
-Ian

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