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...

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psl### [at] nmiacom

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