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Making a CSG difference leaves only the first component visible. You must
either difference both cylinders separately with the same cube - or better
yet, make a union of these cylinders and difference this union with the
cube.
Margus
psl### [at] nmia com wrote in message <36d73c9a.0@news.povray.org>...
>I am currently working with POVLAB. I have a basic understanding of CSG's
>in POVRAY, and have started working with POVLABs supported CSG option, but
>am having some trouble. Basically, I'm trying to make a hole between 2
>objects, but I can't get it to work. Is this simply a POVRAY
>impossibility, or a POVLAB limitation? I have 2 tubes, both of which are
>vertical. When I put something between them, like say a cube, and then
>perform a CSG Difference operation on ONE tube and the cube, the cube
>makes a succesful hole in that tube as expected. However, I have no clue
>how to make a hole clean through both tubes. I performed different
>Difference operations, but the only thing I usually wind up with is 2
>invisible tubes with the cube as visible. I've tried playing with the
>function, but I cannot seem to get this to work. I respectfully ask for
>some serious help....I can't seem to figure it out. Thanks in advance...
>
>------------
>psl### [at] nmia com
>
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